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Problem: Given the question: I read this background article the other day: Soon after the original study was published, other researchers tried to replicate the research. However, it could not be replicated. No other studies could find a link between the vaccine and autism. As a result, scientists became convinced that... | Forest | 8 | P3 | ropes_read_background_situation | fs_noopt |
Q: I read this background article the other day: As a star begins to run low on hydrogen, since the initial quantity has been fused into the denser helium gas, the core will contract due to gravity. The collapsing core increases temperature to the point that the star can begin to fuse helium into carbon. When that happ... | parcel A | 2 | P3 | ropes_read_background_situation | fs_noopt |
input question: I read this background article the other day: When the temperature of reactants is higher, the rate of the reaction is faster. At higher temperatures, particles of reactants have more energy, so they move faster. As a result, they are more likely to bump into one another and to collide with greater forc... | Low lake | 9 | P3 | ropes_read_background_situation | fs_noopt |
Question: I read this background article the other day: Cholesterol has been implicated in heart disease for decades. Atherosclerosis is a disorder of the arteries in which cholesterol and other materials are deposited on the interior of the arterial wall. These deposits lead to the formation of plaques that can restri... | case E | 3 | P3 | ropes_read_background_situation | fs_noopt |
input question: I read this background article the other day: Changes of state from solid to liquid and from liquid to gas occur when matter gains energy. The energy allows individual molecules to separate and move apart from one another. It takes more energy to bring about these changes of state for polar molecules. A... | Tom's | 9 | P3 | ropes_read_background_situation | fs_noopt |
input: Please answer the following: I read this background article the other day: Unfortunately, the layer of good ozone is being destroyed by air pollution. The chief culprits are chlorine and bromine gases. They are released in aerosol sprays, coolants, and other products. Loss of ozone has created an ozone hole over... | less | 5 | P3 | ropes_read_background_situation | fs_noopt |
I read this background article the other day: A baby is born with zones of cartilage in its bones that allow growth of the bones. These areas, called growth plates , allow the bones to grow longer as the child grows. By the time the child reaches an age of about 18 to 25 years, all of the cartilage in the growth plate ... | Albania | 1 | P3 | ropes_read_background_situation | fs_noopt |
Please answer this: I read this background article the other day: Solar radiation (or sunlight) is the energy Earth receives from the Sun. Earth also emits radiation back into space, but at longer wavelengths that we cannot see. Part of the incoming and emitted radiation is absorbed or reflected by the atmosphere. In M... | Berg | 6 | P3 | ropes_read_background_situation | fs_noopt |
[Q]: I read this background article the other day: The Figure below shows decibel levels of several different sounds. As decibel levels get higher, sound waves have greater intensity and sounds are louder. For every 10-decibel increase in the intensity of sound, loudness is 10 times greater. Therefore, a 30-decibel “qu... | Bell | 4 | P3 | ropes_read_background_situation | fs_noopt |
Question: I read this background article the other day: While people have been able to prevent certain viral diseases by vaccinations for many hundreds of years, the development of antiviral drugs to treat viral diseases is a relatively recent development. Antiviral drugs are medications used specifically for treating ... | reservoir A | 3 | P3 | ropes_read_background_situation | fs_noopt |
Question: I read this background article the other day: The above example shows how science generally advances. New evidence is usually used to improve earlier ideas rather than entirely replace them. In this way, scientists gradually refine their ideas and increase our understanding of the world. On the other hand, so... | John | 3 | P3 | ropes_read_background_situation | fs_noopt |
Q: I read this background article the other day: During the 1670s, the Dutch tradesman Antony van Leeuwenhoek, shown in Figure below , used microscopes to observe many microbes and body cells. Leeuwenhoek developed an interest in microscopy and ground his own lenses to make simple microscopes. Leeuwenhoek was so good a... | preserved | 2 | P3 | ropes_read_background_situation | fs_noopt |
Problem: Given the question: I read this background article the other day: Retinitis is inflammation of the retina in the eye, which can permanently damage the retina and lead to blindness. The retina is the part of your eye that is also known as the "sensing tissue." Retinitis may be caused by a number of different in... | Lake | 8 | P3 | ropes_read_background_situation | fs_noopt |
I read this background article the other day: Some of Antarctica has been warming up; particularly strong warming has been noted on the Antarctic Peninsula. A study by Eric Steig published in 2009 noted for the first time that the continent-wide average surface temperature trend of Antarctica is slightly positive at >0... | lower | 1 | P3 | ropes_read_background_situation | fs_noopt |
Please answer this: I read this background article the other day: The Laffer curve depicts the amount of government revenue as a function of the rate of taxation. It shows that for a tax rate above a certain critical rate, government revenue starts decreasing as the tax rate rises, as a consequence of a decline in labo... | more likely | 6 | P3 | ropes_read_background_situation | fs_noopt |
Problem: I read this background article the other day: East Antarctica is colder than its western counterpart because of its higher elevation. Weather fronts rarely penetrate far into the continent, leaving the centre cold and dry. Despite the lack of precipitation over the central portion of the continent, ice there l... | group V | 7 | P3 | ropes_read_background_situation | fs_noopt |
Problem: I read this background article the other day: Millions of people in the world jog for exercise. For the most part, jogging can be a healthy way to stay fit. However, problems can also develop for those who jog in the heat. Excessive sweating can lead to electrolyte loss that could be life-threatening. Early sy... | increasing | 7 | P3 | ropes_read_background_situation | fs_noopt |
input: Please answer the following: I read this background article the other day: The Keystone XL Pipeline would transport oil from the oil sands in Alberta, Canada. The oil would travel into the United States. In the U.S. it would be refined. The pipeline is controversial. A leak could cause damage to wildlife habitat... | Madrigal | 5 | P3 | ropes_read_background_situation | fs_noopt |
[Q]: I read this background article the other day: Chemical equilibrium was studied by French chemist Henri Le Châtelier (1850-1936), and his description of how a system at equilibrium responds to a change in conditions has become known as Le Châtelier’s principle . This principle states that when a chemical system is ... | forest A | 4 | P3 | ropes_read_background_situation | fs_noopt |
[Q]: I read this background article the other day: They feed on living hosts. As parasites , fungi live in or on other organisms and get their nutrients from their host. Parasitic fungi use enzymes to break down living tissue, which may causes illness in the host. Disease-causing fungi are parasitic. Recall that parasi... | Tim | 4 | P3 | ropes_read_background_situation | fs_noopt |
input question: I read this background article the other day: Hepatitis viruses can develop into a chronic viral infection that leads to liver cancer. Infection by human T-lymphotropic virus can lead to tropical spastic paraparesis and adult T-cell leukaemia. Human papillomaviruses are an established cause of cancers o... | Surfer beach | 9 | P3 | ropes_read_background_situation | fs_noopt |
Please answer this: I read this background article the other day: Hemophilia is the name of a group of hereditary diseases that affect the body's ability to control blood clotting. Hemophilia is caused by a lack of clotting factors in the blood. Clotting factors are normally released by platelets. Since people with hem... | Greece | 6 | P3 | ropes_read_background_situation | fs_noopt |
I read this background article the other day: Law enforcement officers are often unfamiliar with information technology, and so lack the skills and interest in pursuing attackers. There are also budgetary constraints. It has been argued that the high cost of technology, such as DNA testing, and improved forensics mean ... | Ans: Bean | 0 | P3 | ropes_read_background_situation | fs_noopt |
Please answer this: I read this background article the other day: An optimal decision is a decision that leads to at least as good a known or expected outcome as all other available decision options. It is an important concept in decision theory. In order to compare the different decision outcomes, one commonly assigns... | patient B | 6 | P3 | ropes_read_background_situation | fs_noopt |
I read this background article the other day: Look at the police car in Figure below . The sound waves from its siren travel outward in all directions. Because the car is racing forward (toward the right), the sound waves get bunched up in front of the car and spread out behind it. As the car approaches the person on t... | this spring | 1 | P3 | ropes_read_background_situation | fs_noopt |
[Q]: I read this background article the other day: Extending the period of time over which a force acts in order to lessen the force is a common practice in design. Padding in shoes and seats allows the time to increase. The front of automobiles are designed to crumple in an accident; this increases the time the car ta... | case A | 4 | P3 | ropes_read_background_situation | fs_noopt |
input: Please answer the following: I read this background article the other day: Compared to conventional milk production, organic milk production tends to have lower eutrophication potential per ton of milk or per hectare of farmland, because it potentially reduces leaching of nitrates (NO3−) and phosphates (PO4−) du... | region A | 5 | P3 | ropes_read_background_situation | fs_noopt |
Problem: I read this background article the other day: During the Cold War, the Arctic became a place where the United States, Canada, and the Soviet Union performed significant research that has been essential to the study of climate change in recent years. A major reason why research in the Arctic is essential for th... | Italy | 7 | P3 | ropes_read_background_situation | fs_noopt |
Problem: I read this background article the other day: Human beings invented agriculture about 10,000 years ago. This provided a bigger, more dependable food supply. It also allowed people to settle down in villages and cities for the first time. Birth rates went up because there was more food and settled life had othe... | August 2019 | 7 | P3 | ropes_read_background_situation | fs_noopt |
I read this background article the other day: Einstein showed in his thought experiments that people travelling at different speeds, while agreeing on cause and effect, measure different time separations between events, and can even observe different chronological orderings between non-causally related events. Though t... | Tom | 1 | P3 | ropes_read_background_situation | fs_noopt |
Problem: Given the question: I read this background article the other day: Blood vessels help regulate body processes by either constricting (becoming narrower) or dilating (becoming wider). These actions occur in response to signals from the autonomic nervous system or the endocrine system. Constriction occurs when th... | Davin | 8 | P3 | ropes_read_background_situation | fs_noopt |
input question: I read this background article the other day: Gasoline-powered vehicles emit a lot of harmful materials. Nitrogen oxides are formed when atmospheric nitrogen reacts with oxygen at the high temperatures found in a car engine. Carbon monoxide is a by-product of incomplete combustion of hydrocarbons. Evapo... | Anthill | 9 | P3 | ropes_read_background_situation | fs_noopt |
input: Please answer the following: I read this background article the other day: Unfortunately, the layer of good ozone is being destroyed by air pollution. The chief culprits are chlorine and bromine gases. They are released in aerosol sprays, coolants, and other products. Loss of ozone has created an ozone hole over... | decrease | 5 | P3 | ropes_read_background_situation | fs_noopt |
input: Please answer the following: I read this background article the other day: The dangers of global warming are being increasingly studied by a wide global consortium of scientists. These scientists are increasingly concerned about the potential long-term effects of global warming on our natural environment and on ... | Grayville | 5 | P3 | ropes_read_background_situation | fs_noopt |
[Q]: I read this background article the other day: Middle adulthood lasts from the mid-30s to the mid-60s. During this stage of life, many people raise a family and strive to attain career goals. They start showing physical signs of aging, such as wrinkles and gray hair. Typically, vision, strength and reaction time st... | Team A | 4 | P3 | ropes_read_background_situation | fs_noopt |
[Q]: I read this background article the other day: Generally, nearsightedness first occurs in school-age children. There is some evidence that myopia is inherited. If one or both of your parents need glasses, there is an increased chance that you will too. Individuals who spend a lot of time reading, working or playing... | Nigeria | 4 | P3 | ropes_read_background_situation | fs_noopt |
Problem: Given the question: I read this background article the other day: An allergy is a disease in which the immune system makes an inflammatory response to a harmless antigen . Any antigen that causes an allergy is called an allergen. Allergens may be inhaled or ingested, or they may come into contact with the skin... | Tim | 8 | P3 | ropes_read_background_situation | fs_noopt |
Please answer this: I read this background article the other day: Water stratification is when water masses with different properties - salinity (halocline), oxygenation (chemocline), density (pycnocline), temperature (thermocline) - form layers that act as barriers to water mixing which could lead to anoxia or euxinia... | Deep lake | 6 | P3 | ropes_read_background_situation | fs_noopt |
Problem: Given the question: I read this background article the other day: At the end of the Proterozoic, the supercontinent Pannotia had broken apart into the smaller continents Laurentia, Baltica, Siberia and Gondwana. During periods when continents move apart, more oceanic crust is formed by volcanic activity. Becau... | Bill | 8 | P3 | ropes_read_background_situation | fs_noopt |
[Q]: I read this background article the other day: Candied fruit, also known as crystallized fruit or glacé fruit, has existed since the 14th century. Whole fruit, smaller pieces of fruit, or pieces of peel, are placed in heated sugar syrup, which absorbs the moisture from within the fruit and eventually preserves it. ... | peaches | 4 | P3 | ropes_read_background_situation | fs_noopt |
Question: I read this background article the other day: Once again, a mutation is the change in the DNA or RNA sequence. In multicellular organisms, mutations can be subdivided into germline mutations and somatic mutations. Germline mutations occur in the DNA of sex cells, or gametes, and are therefore potentially very... | Lori | 3 | P3 | ropes_read_background_situation | fs_noopt |
Question: I read this background article the other day: Alcoholic beverages do not make the entire body warmer.[361] The reason that alcoholic drinks create the sensation of warmth is that they cause blood vessels to dilate and stimulate nerve endings near the surface of the skin with an influx of warm blood. This can ... | the one on the counter top | 3 | P3 | ropes_read_background_situation | fs_noopt |
Problem: Given the question: I read this background article the other day: The frequency of sound waves is measured in hertz (Hz), or the number of waves that pass a fixed point in a second. Human beings can normally hear sounds with a frequency between about 20 Hz and 20,000 Hz. Sounds with frequencies below 20 hertz ... | Beaker A | 8 | P3 | ropes_read_background_situation | fs_noopt |
input: Please answer the following: I read this background article the other day: Rain dissolves fertilizer in the soil. Runoff carries it away. The fertilizer ends up in bodies of water, from ponds to oceans. Nitrogen is a fertilizer in the water. Since there is a lot of nitrogen, it causes algae to grow out of contro... | Vince | 5 | P3 | ropes_read_background_situation | fs_noopt |
Q: I read this background article the other day: Hemophilia is the name of a group of hereditary diseases that affect the body's ability to control blood clotting. Hemophilia is caused by a lack of clotting factors in the blood. Clotting factors are normally released by platelets. Since people with hemophilia cannot pr... | animal A | 2 | P3 | ropes_read_background_situation | fs_noopt |
Problem: Given the question: I read this background article the other day: For comparison, sunlight on Saturn is slightly brighter than Earth sunlight at the average sunset or sunrise (see daylight for comparison table). Even on Pluto, the sunlight would still be bright enough to almost match the average living room. ... | Hill | 8 | P3 | ropes_read_background_situation | fs_noopt |
Please answer this: I read this background article the other day: Hypertension , which is also called "high blood pressure," occurs when a person’s blood pressure is always high. Hypertension is said to be present when a person's systolic blood pressure is always 140 or higher, and/or if the person's diastolic blood pr... | Iran | 6 | P3 | ropes_read_background_situation | fs_noopt |
Problem: I read this background article the other day: The device in the circuit in Figure above is an ammeter. It measures the current that flows through the wire. The faster the magnet or coil moves, the greater the amount of current that is produced. If more turns were added to the coil, this would increase the stre... | higher | 7 | P3 | ropes_read_background_situation | fs_noopt |
I read this background article the other day: During May, June, and July, the Northern Hemisphere is exposed to more direct sunlight because the hemisphere faces the Sun. The same is true of the Southern Hemisphere in November, December, and January. It is Earth's axial tilt that causes the Sun to be higher in the sky ... | Ans: group A | 0 | P3 | ropes_read_background_situation | fs_noopt |
Q: I read this background article the other day: Animals and some bacteria and fungi carry out lactic acid fermentation. Lactic acid is a waste product of this process. Our muscles perform lactic acid fermentation during strenuous exercise, since oxygen cannot be delivered to the muscles quickly enough. The buildup of ... | Justin | 2 | P3 | ropes_read_background_situation | fs_noopt |
I read this background article the other day: Common foodborne viruses include norovirus and hepatitis A virus. Norovirus, which causes inflammation of the stomach and intestines, has been a recent issue on cruise ships, infecting hundreds of passengers and crew on certain voyages. Hepatitis A causes inflammation of th... | Ans: reactant A | 0 | P3 | ropes_read_background_situation | fs_noopt |
input question: I read this background article the other day: Old age begins in the mid-60s and lasts until the end of life. Most people over 65 have retired from work, freeing up their time for hobbies, grandchildren, and other interests. Stamina, strength, reflex time, and the senses all decline during old age, and t... | Jerry | 9 | P3 | ropes_read_background_situation | fs_noopt |
Problem: Given the question: I read this background article the other day: Vapor pressure is a measure of the pressure exerted by a gas above a liquid in a sealed container. While viscosity and surface tension increase as the strength of intermolecular forces increase, vapor pressure decreases . This is because the str... | easier | 8 | P3 | ropes_read_background_situation | fs_noopt |
Problem: Given the question: I read this background article the other day: Baker's yeast is the common name for the strains of yeast commonly used in baking bread and bakery products, serving as a leavening agent which causes the bread to rise (expand and become lighter and softer) by converting the fermentable sugars ... | Jerry | 8 | P3 | ropes_read_background_situation | fs_noopt |
Q: I read this background article the other day: As a cell grows, its volume increases more quickly than its surface area. If a cell was to get very large, the small surface area would not allow enough nutrients to enter the cell quickly enough for the cell’s needs. This idea is explained in Figure below . However, lar... | Liam | 2 | P3 | ropes_read_background_situation | fs_noopt |
Please answer this: I read this background article the other day: Any unused energy in food, whether it comes from carbohydrates, proteins, or lipids, is stored in the body as fat. An extra 3,500 Calories of energy results in the storage of almost half a kilogram (1 pound) of stored body fat. People who consistently co... | higher | 6 | P3 | ropes_read_background_situation | fs_noopt |
[Q]: I read this background article the other day: Another obvious change that occurs during puberty is rapid growth. This is called the adolescent growth spurt . In boys, it is controlled by testosterone. The rate of growth usually starts to increase relatively early in puberty. At its peak rate, growth in height is a... | planet A | 4 | P3 | ropes_read_background_situation | fs_noopt |
Q: I read this background article the other day: When the temperature of reactants is higher, the rate of the reaction is faster. At higher temperatures, particles of reactants have more energy, so they move faster. They are more likely to bump into one another and to collide with greater force. For example, when you f... | Bhutan | 2 | P3 | ropes_read_background_situation | fs_noopt |
[Q]: I read this background article the other day: Once again, a mutation is the change in the DNA or RNA sequence. In multicellular organisms, mutations can be subdivided into germline mutations and somatic mutations. Germline mutations occur in the DNA of sex cells, or gametes, and are therefore potentially very seri... | more | 4 | P3 | ropes_read_background_situation | fs_noopt |
input: Please answer the following: I read this background article the other day: The lungs of mammals are unique in having alveoli . These are tiny, sac-like structures. Each alveolus is surrounded by a network of very small blood vessels (see Figure below ). Because there are millions of alveoli in each lung, they gr... | sample A | 5 | P3 | ropes_read_background_situation | fs_noopt |
Please answer this: I read this background article the other day: Rain dissolves fertilizer in the soil. Runoff carries it away. The fertilizer ends up in bodies of water, from ponds to oceans. Nitrogen is a fertilizer in the water. Since there is a lot of nitrogen, it causes algae to grow out of control. Pictured belo... | Jacob's | 6 | P3 | ropes_read_background_situation | fs_noopt |
input: Please answer the following: I read this background article the other day: As shown here, pressure decreases to less than 25% of ground-level atmospheric pressure when we get to an altitude of about six miles. Since this is a common cruising altitude for commercial airplanes, pressurized cabins are needed for th... | Group O | 5 | P3 | ropes_read_background_situation | fs_noopt |
[Q]: I read this background article the other day: In grassland, much of the organic matter added to the soil is from the deep, fibrous, grass root systems. By contrast, tree leaves falling on the forest floor are the principal source of soil organic matter in the forest. Another difference is the frequent occurrence i... | Bob's | 4 | P3 | ropes_read_background_situation | fs_noopt |
Problem: I read this background article the other day: Millions of people in the world jog for exercise. For the most part, jogging can be a healthy way to stay fit. However, problems can also develop for those who jog in the heat. Excessive sweating can lead to electrolyte loss that could be life-threatening. Early sy... | lever A | 7 | P3 | ropes_read_background_situation | fs_noopt |
Problem: I read this background article the other day: Gibberellins are hormones that cause the plant to grow. When gibberellins are applied to plants by scientists, the stems grow longer. Some gardeners or horticulture scientists add gibberellins to increase the growth of plants. Dwarf plants (small plants), on the ot... | Valley | 7 | P3 | ropes_read_background_situation | fs_noopt |
Problem: I read this background article the other day: Recall that air pollution is due to chemical substances and particles released into the air mainly by human actions. When most people think of air pollution, they think of the pollution outdoors. But it is just as easy to have indoor air pollution. Your home or sch... | Martha | 7 | P3 | ropes_read_background_situation | fs_noopt |
Problem: Given the question: I read this background article the other day: Old age begins in the mid-60s and lasts until the end of life. Most people over 65 have retired from work, freeing up their time for hobbies, grandchildren, and other interests. Stamina, strength, reflex time, and the senses all decline during o... | Mary | 8 | P3 | ropes_read_background_situation | fs_noopt |
input question: I read this background article the other day: The brains of all mammals have a unique layer of nerve cells covering the cerebrum. This layer is called the neocortex (the pink region of the brains in Figure above ). The neocortex plays an important role in many complex brain functions. In some mammals, s... | Jacob | 9 | P3 | ropes_read_background_situation | fs_noopt |
Q: I read this background article the other day: Because the gravitational field created by the Moon weakens with distance from the Moon, it exerts a slightly stronger than average force on the side of the Earth facing the Moon, and a slightly weaker force on the opposite side. The Moon thus tends to "stretch" the Eart... | yeast A | 2 | P3 | ropes_read_background_situation | fs_noopt |
input question: I read this background article the other day: In addition to insects, weeds have also been a menace to farmers - just ask anyone with a garden how much they hate weeds. They can quickly compete for water and nutrients needed by other plants. Sure, farmers can use herbicides to kill weeds, but do these c... | Booneland | 9 | P3 | ropes_read_background_situation | fs_noopt |
input: Please answer the following: I read this background article the other day: Some of Antarctica has been warming up; particularly strong warming has been noted on the Antarctic Peninsula. A study by Eric Steig published in 2009 noted for the first time that the continent-wide average surface temperature trend of A... | Bank | 5 | P3 | ropes_read_background_situation | fs_noopt |
Problem: Given the question: I read this background article the other day: A large log placed in a fire will burn relatively slowly. If the same mass of wood were added to the fire in the form of small twigs, they would burn much more quickly. This is because the twigs provide a greater surface area than the log does. ... | Bird | 8 | P3 | ropes_read_background_situation | fs_noopt |
input question: I read this background article the other day: As Figure above shows, the distance between particles is much smaller for the solid and liquid states than for the gas state. In the solid state, particles are fixed in place, while particles are more free to move in the liquid and gas states. The particles ... | Mike | 9 | P3 | ropes_read_background_situation | fs_noopt |
I read this background article the other day: When the temperature of reactants is higher, the rate of the reaction is faster. At higher temperatures, particles of reactants have more energy, so they move faster. As a result, they are more likely to bump into one another and to collide with greater force. For example, ... | Ans: Jenny | 0 | P3 | ropes_read_background_situation | fs_noopt |
I read this background article the other day: When the temperature of reactants is higher, the rate of the reaction is faster. At higher temperatures, particles of reactants have more energy, so they move faster. They are more likely to bump into one another and to collide with greater force. For example, when you fry ... | Ans: Pakistan | 0 | P3 | ropes_read_background_situation | fs_noopt |
Please answer this: I read this background article the other day: Active transport occurs when a substance passes through the cell membrane with the help of extra energy. This happens when a substance moves from an area where it is less concentrated to an area where it is more concentrated. This is the opposite of diff... | Davin | 6 | P3 | ropes_read_background_situation | fs_noopt |
input: Please answer the following: I read this background article the other day: Once again, a mutation is the change in the DNA or RNA sequence. In multicellular organisms, mutations can be subdivided into germline mutations and somatic mutations. Germline mutations occur in the DNA of sex cells, or gametes, and are ... | case B | 5 | P3 | ropes_read_background_situation | fs_noopt |
[Q]: I read this background article the other day: Light may transfer its energy to matter rather than being reflected or transmitted by matter. This is called absorption . When light is absorbed, the added energy increases the temperature of matter. If you get into a car that has been sitting in the sun all day, the s... | Brown | 4 | P3 | ropes_read_background_situation | fs_noopt |
input question: I read this background article the other day: During late adulthood, the risk of developing diseases such as cardiovascular diseases and cancer continues to rise. Most people also have a decline in strength and stamina. Their senses may start failing, and their reflex time typically increases. Their imm... | Pear | 9 | P3 | ropes_read_background_situation | fs_noopt |
I read this background article the other day: Making these healthy lifestyle choices can also help prevent some types of cancer. In addition, you can lower the risk of cancer by avoiding carcinogens , which are substances that cause cancer. For example, you can reduce your risk of lung cancer by not smoking. You can re... | Ans: parcel B | 0 | P3 | ropes_read_background_situation | fs_noopt |
input question: I read this background article the other day: Sand mining is a direct cause of erosion, and impacts the local wildlife.[2] Various animals depend on sandy beaches for nesting clutches, and mining has led to the near extinction of gharials (a species of crocodile) in India. Disturbance of underwater and ... | stage one | 9 | P3 | ropes_read_background_situation | fs_noopt |
Q: I read this background article the other day: Inhaling is an active movement that results from the contraction of a muscle called the diaphragm. The diaphragm is large, sheet-like muscle below the lungs (see Figure below ). When the diaphragm contracts, the ribcage expands and the contents of the abdomen move downwa... | Jeremy | 2 | P3 | ropes_read_background_situation | fs_noopt |
[Q]: I read this background article the other day: The jejunum is the second part of the small intestine, where most nutrients are absorbed into the blood. As shown in Figure below , the mucous membrane lining the jejunum is covered with millions of microscopic, fingerlike projections called villi (singular, villus). V... | Barb's boat | 4 | P3 | ropes_read_background_situation | fs_noopt |
Q: I read this background article the other day: Temperature is a measure of the average kinetic energy of the particles in matter. In everyday usage, temperature indicates a measure of how hot or cold an object is. Temperature is an important parameter in chemistry. When a substance changes from solid to liquid, it is... | Jeremy | 2 | P3 | ropes_read_background_situation | fs_noopt |
I read this background article the other day: There are many examples in the chemical world of changes in entropy. Phase transitions are one obvious example. When a substance makes a transition from the liquid state to the gaseous state, the particles have many more possible arrangements, because they are no longer con... | Ans: zone B | 0 | P3 | ropes_read_background_situation | fs_noopt |
[Q]: I read this background article the other day: Hepatitis B is a disease of the liver. It is caused by a virus called hepatitis B, which can be passed through sexual activity. Hepatitis B causes vomiting. It also causes yellowing of the skin and eyes. The disease goes away on its own in some people. Other people are... | Jones | 4 | P3 | ropes_read_background_situation | fs_noopt |
Problem: I read this background article the other day: Predators play an important role in an ecosystem. For example, if they did not exist, then a single species could become dominant over others. Grazers on a grassland keep grass from growing out of control. Predators can be keystone species . These are species that ... | Grant | 7 | P3 | ropes_read_background_situation | fs_noopt |
Problem: Given the question: I read this background article the other day: Greenhouse Effect: The solar energy reaching the surface of the Earth is concentrated in short wavelengths, which can easily penetrate the greenhouse gases, such as carbon dioxide and methane. The Earth, however, is cooler than the sun and it ra... | test A | 8 | P3 | ropes_read_background_situation | fs_noopt |
Please answer this: I read this background article the other day: In the U.S., the majority of electricity is produced by burning coal or other fossil fuels. This causes air pollution, acid rain, and global warming. Fossil fuels are also limited and may eventually run out. Like fossil fuels, radioactive elements are li... | Dan | 6 | P3 | ropes_read_background_situation | fs_noopt |
I read this background article the other day: Atmospheric convection is the result of a parcel-environment instability, or temperature difference layer in the atmosphere. Different lapse rates within dry and moist air masses lead to instability. Mixing of air during the day which expands the height of the planetary bou... | low altitude | 1 | P3 | ropes_read_background_situation | fs_noopt |
I read this background article the other day: As for the public health or food safety concern, organic foods are intended to be healthy, free of contaminations and free from agents that could cause human diseases. Organic milk is meant to have no chemical residues to consumers, and the restrictions on the use of antibi... | Group Beta | 1 | P3 | ropes_read_background_situation | fs_noopt |
Please answer this: I read this background article the other day: When rock units are placed under horizontal compression, they shorten and become thicker. Because rock units, other than muds, do not significantly change in volume, this is accomplished in two primary ways: through faulting and folding. In the shallow c... | Jane | 6 | P3 | ropes_read_background_situation | fs_noopt |
I read this background article the other day: Wildfire intensity increases during daytime hours. For example, burn rates of smoldering logs are up to five times greater during the day because of lower humidity, increased temperatures, and increased wind speeds. Sunlight warms the ground during the day and causes air cu... | James' | 1 | P3 | ropes_read_background_situation | fs_noopt |
Please answer this: I read this background article the other day: As shown here, pressure decreases to less than 25% of ground-level atmospheric pressure when we get to an altitude of about six miles. Since this is a common cruising altitude for commercial airplanes, pressurized cabins are needed for the comfort and su... | less | 6 | P3 | ropes_read_background_situation | fs_noopt |
input question: I read this background article the other day: Surface temperature differences in turn cause pressure differences. A hot surface warms the air above it causing it to expand and lower the density and the resulting surface air pressure. The resulting horizontal pressure gradient moves the air from higher t... | reddish-orange | 9 | P3 | ropes_read_background_situation | fs_noopt |
I read this background article the other day: Alpine tundra occurs at high enough altitude at any latitude. Portions of montane grasslands and shrublands ecoregions worldwide include alpine tundra. Large regions of alpine tundra occur in the North American Cordillera, the Alps and Pyrenees of Europe, the Himalaya and K... | Pat | 1 | P3 | ropes_read_background_situation | fs_noopt |
I read this background article the other day: The Laffer curve depicts the amount of government revenue as a function of the rate of taxation. It shows that for a tax rate above a certain critical rate, government revenue starts decreasing as the tax rate rises, as a consequence of a decline in labour supply. This theo... | Ans: Coco | 0 | P3 | ropes_read_background_situation | fs_noopt |
Question: I read this background article the other day: In nature, when the population size is small, there is usually plenty of food and other resources for each individual. When there is plenty of food and other resources, organisms can easily reproduce, so the birth rate is high. As the population increases, the foo... | increased | 3 | P3 | ropes_read_background_situation | fs_noopt |
Problem: Given the question: I read this background article the other day: During May, June, and July, the Northern Hemisphere is exposed to more direct sunlight because the hemisphere faces the Sun. The same is true of the Southern Hemisphere in November, December, and January. It is Earth's axial tilt that causes the... | Group A | 8 | P3 | ropes_read_background_situation | fs_noopt |
Problem: I read this background article the other day: Old age begins in the mid-60s and lasts until the end of life. Many people over 65 have retired from work, freeing up their time for hobbies, grandchildren, and other interests. Stamina, strength, reflex time, and the senses all decline during old age, and the numb... | Dane | 7 | P3 | ropes_read_background_situation | fs_noopt |
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