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I read this background article the other day: Huge amounts of chemicals, such as fertilizers and pesticides, are applied to farm fields (see Figure below ). Some of the chemicals are picked up by rainwater. Runoff then carries the chemicals to nearby rivers or lakes. Dissolved fertilizer causes too much growth of water... | Cook | 2 | P3 | ropes_read_background_situation | zs_opt |
Please answer the following question: I read this background article the other day: A godet (/ɡoʊˈdeɪ/ or /ɡoʊˈdɛt/)[1] is an extra piece of fabric in the shape of a circular sector which is set into a garment, usually a dress or skirt.[2] The addition of a godet causes the article of clothing in question to flare, thu... | less voluminous | 9 | P3 | ropes_read_background_situation | zs_opt |
I read this background article the other day: Turner et al (2006) derived crash prediction models for this report’s predecessor and found a pronounced ‘safety in numbers’ effect in the models. Using the crash prediction model for mid-block locations, generic motorist and cyclist volumes can be used to demonstrate the i... | Berg | 2 | P3 | ropes_read_background_situation | zs_opt |
Question: I read this background article the other day: New species develop naturally through the process of natural selection . Due to natural selection, organisms with traits that better enable them to adapt to their environment will tend to survive and reproduce in greater numbers. Natural selection causes beneficia... | arms | 4 | P3 | ropes_read_background_situation | zs_opt |
Please answer the following question: I read this background article the other day: No doubt you already have a good idea of what temperature is. You might say that it’s how warm or cool something feels. In physics, temperature is defined as the average kinetic energy of the particles of matter. When particles of matte... | slower | 9 | P3 | ropes_read_background_situation | zs_opt |
I read this background article the other day: Clouds on Earth are made of water vapor. Venus's clouds are a lot less pleasant. They are made of carbon dioxide, sulfur dioxide and large amounts of corrosive sulfuric acid! The atmosphere of Venus is so thick that the pressure on the surface of Venus is very high. In fact... | Venus | 7 | P3 | ropes_read_background_situation | zs_opt |
Q:I read this background article the other day: Like water in the ocean, air in the atmosphere exerts pressure that increases with depth. Most gas molecules in the atmosphere are pulled close to Earth’s surface by gravity. As a result, air pressure decreases quickly at lower altitudes and then more slowly at higher alt... | Filtroy | 3 | P3 | ropes_read_background_situation | zs_opt |
Answer the following 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 wi... | batch B | 5 | P3 | ropes_read_background_situation | zs_opt |
Please answer the following question: I read this background article the other day: So much rain falling so fast causes some of the damage from a hurricane. But a lot of the damage is caused by storm surge. Storm surge is very high water located in the low pressure eye of the hurricane. The very low pressure of the eye... | Red | 9 | P3 | ropes_read_background_situation | zs_opt |
Given the question: 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... | Seattle | 6 | P3 | ropes_read_background_situation | zs_opt |
Please answer the following question: I read this background article the other day: Electronic ear protectors work differently. They identify high-amplitude sound waves and send sound waves through them in the opposite direction. This causes destructive interference with the waves, which reduces their amplitude to zero... | Ken | 8 | P3 | ropes_read_background_situation | zs_opt |
Answer the following question: I read this background article the other day: Cholesterol can't dissolve in the blood. It has to be transported to and from the cells by carriers called lipoproteins. Low-density lipoprotein, or LDL, is known as "bad" cholesterol. High-density lipoprotein (HDL) is known as good cholestero... | patient B | 5 | P3 | ropes_read_background_situation | zs_opt |
Q:I read this background article the other day: When a solid substance is involved in a chemical reaction, only the matter at the surface of the solid is exposed to other reactants. If a solid has more surface area, more of it is exposed and able to react. Therefore, increasing the surface area of solid reactants incre... | higher | 3 | P3 | ropes_read_background_situation | zs_opt |
I read this background article the other day: Fish mortality is a parameter used in fisheries population dynamics to account for the loss of fish in a fish stock through death. The mortality can be divided into two types: Natural mortality: the removal of fish from the stock due to causes not associated with fishing. ... | sample A | 1 | P3 | ropes_read_background_situation | zs_opt |
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 consume more food energy... | group B | 0 | P3 | ropes_read_background_situation | zs_opt |
Given the question: I read this background article the other day: Air pollution is harmful to human beings and other living things. About 22 million people die from air pollution each year. Breathing polluted air increases the risk of developing lung diseases such as asthma and lung cancer. Breathing bad air also incre... | Shanghai | 6 | P3 | ropes_read_background_situation | zs_opt |
I read this background article the other day: Fish mortality is a parameter used in fisheries population dynamics to account for the loss of fish in a fish stock through death. The mortality can be divided into two types: Natural mortality: the removal of fish from the stock due to causes not associated with fishing. ... | Silver Lake | 1 | P3 | ropes_read_background_situation | zs_opt |
I read this background article the other day: Soil is well developed in the forest as suggested by the thick humus layers, rich diversity of large trees and animals that live there. In forests, precipitation exceeds evapotranspiration which results in an excess of water that percolates downward through the soil layers.... | Frank's | 1 | P3 | ropes_read_background_situation | zs_opt |
Please answer the following question: I read this background article the other day: Many mutations have no effect on the proteins they encode. These mutations are considered neutral. Occasionally, a mutation may make a protein even better than it was before. Or the protein might help the organism adapt to a new environ... | helpful | 9 | P3 | ropes_read_background_situation | zs_opt |
Answer the following question: I read this background article the other day: When humans dig up and use fossil fuels, we have an impact on the carbon cycle ( Figure below ). This carbon is not recycled until it is used by humans. The burning of fossil fuels releases more carbon dioxide into the atmosphere than is used ... | less | 5 | P3 | ropes_read_background_situation | zs_opt |
Answer the following 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. They are more likely to bump into one another and to collide with greater fo... | coffee B | 5 | P3 | ropes_read_background_situation | zs_opt |
I read this background article the other day: When wind waves approach to coast area from deep water, the waves change their heights and lengths. The wave height becomes higher and the wavelength becomes shorter as the wave velocity is slowed when ocean waves approach to the shore. If the water depth is sufficiently sh... | Surfer beach | 2 | P3 | ropes_read_background_situation | zs_opt |
Question: I read this background article the other day: Distance decay is a geographical term which describes the effect of distance on cultural or spatial interactions. The distance decay effect states that the interaction between two locales declines as the distance between them increases. Once the distance is outsid... | Gray | 4 | P3 | ropes_read_background_situation | zs_opt |
I read this background article the other day: Air pollution can also indirectly cause other health issues and even deaths. Air pollutants can cause an increase in cancer including lung cancer, eye problems, and other conditions. For example, using certain chemicals on farms, such as the insecticide DDT (dichlorodipheny... | Kevin | 0 | P3 | ropes_read_background_situation | zs_opt |
Q:I read this background article the other day: Communication is any way that animals share information. Many animals live in social groups. For these animals, being able to communicate is essential. Communicating increases the ability of group members to cooperate and avoid conflict. Communication may help animals wor... | Moops | 3 | P3 | ropes_read_background_situation | zs_opt |
Please answer the following question: I read this background article the other day: The ionization energies of the representative elements generally decrease from top to bottom within a group. This trend is explained by the increase in size of the atoms within a group. The valence electron that is being removed is furt... | atom L | 9 | P3 | ropes_read_background_situation | zs_opt |
Q: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 immune system als... | patient B | 3 | P3 | ropes_read_background_situation | zs_opt |
Q:I read this background article the other day: A vapor light also produces visible light by electroluminescence The bulb contains a small amount of solid sodium or mercury as well as a mixture of neon and argon gases. When an electric current passes through the gases, it causes the solid sodium or mercury to change to... | bathroom | 3 | P3 | ropes_read_background_situation | zs_opt |
Q:I read this background article the other day: Another example of negative feedback has to do with blood glucose levels. When glucose (sugar) levels in the blood are too high, the pancreas secretes insulin to stimulate the absorption of glucose and the conversion of glucose into glycogen, which is stored in the liver.... | glycogen | 3 | P3 | ropes_read_background_situation | zs_opt |
Please answer the following question: I read this background article the other day: The advantage of asexual reproduction is that it can be very quick and does not require the meeting of a male and female organism. The disadvantage of asexual reproduction is that organisms do not receive a mix of traits from both paren... | group B | 8 | P3 | ropes_read_background_situation | zs_opt |
I read this background article the other day: Air pollution is harmful to human beings and other living things. About 22 million people die from air pollution each year. Breathing polluted air increases the risk of developing lung diseases such as asthma and lung cancer. Breathing bad air also increases the chances of ... | Berna | 1 | P3 | ropes_read_background_situation | zs_opt |
Given the question: I read this background article the other day: While the Grants were on the Galápagos, a drought occurred. As a result, fewer seeds were available for finches to eat. Birds with smaller beaks could crack open and eat only the smaller seeds. Birds with bigger beaks could crack and eat seeds of all siz... | Galapagos 1 | 6 | P3 | ropes_read_background_situation | zs_opt |
I read this background article the other day: Figure B above shows an important relationship between the wavelength and frequency of a wave. The top wave clearly has a shorter wavelength than the second wave. However, if you picture yourself at a stationary point watching these waves pass by, more waves of the first ki... | short | 0 | P3 | ropes_read_background_situation | zs_opt |
I read this background article the other day: Second, sharing opinions with peers is helpful in building and increasing one's confidence. Clearly expressing what one is trying to say requires confidence and sufficient knowledge; people need to self dress what to say with their own knowledge or experiences. Thus, giving... | Stephanie | 2 | P3 | ropes_read_background_situation | zs_opt |
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. Two common causes of allerg... | Ben | 2 | P3 | ropes_read_background_situation | zs_opt |
Question: I read this background article the other day: Biodiversity is determined by many things, and one of them is abiotic stress. If an environment is highly stressful, biodiversity tends to be low. If abiotic stress does not have a strong presence in an area, the biodiversity will be much higher.This idea leads in... | Eastern | 4 | P3 | ropes_read_background_situation | zs_opt |
Answer the following question: 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... | Green | 5 | P3 | ropes_read_background_situation | zs_opt |
I read this background article the other day: Rainfall in an area is important because it influences the rate of weathering. More rain means that more rainwater passes through the soil. The rainwater reacts chemically with the particles. The top layers of soil are in contact with the freshest water, so reactions are gr... | parcel H | 2 | P3 | ropes_read_background_situation | zs_opt |
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 pressure is always 90 ... | Jeremy | 2 | P3 | ropes_read_background_situation | zs_opt |
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 can have ... | negatively | 7 | P3 | ropes_read_background_situation | zs_opt |
Given the question: I read this background article the other day: Circles of latitude are often called parallels because they are parallel to each other; that is, any two circles are always the same distance apart. A location's position along a circle of latitude is given by its longitude. Circles of latitude are unlik... | Kobe | 6 | P3 | ropes_read_background_situation | zs_opt |
Please answer the following question: 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 ... | Dirk | 9 | P3 | ropes_read_background_situation | zs_opt |
I read this background article the other day: For most substances, when the temperature of the solid is raised high enough, the substance changes to a liquid, and when the temperature of the liquid is raised high enough, the substance changes to a gas. We typically visualize a solid as tiny particles in constant motion... | Ice cube A | 0 | P3 | ropes_read_background_situation | zs_opt |
I read this background article the other day: When humans dig up and use fossil fuels, we have an impact on the carbon cycle ( Figure below ). This carbon is not recycled until it is used by humans. The burning of fossil fuels releases more carbon dioxide into the atmosphere than is used by photosynthesis. So, there is... | Nepal | 7 | P3 | ropes_read_background_situation | zs_opt |
Given the question: I read this background article the other day: Clouds on Earth are made of water vapor. Venus's clouds are a lot less pleasant. They are made of carbon dioxide, sulfur dioxide and large amounts of corrosive sulfuric acid! The atmosphere of Venus is so thick that the pressure on the surface of Venus i... | Group E | 6 | P3 | ropes_read_background_situation | zs_opt |
Answer the following question: I read this background article the other day: Cancer is a disease that causes cells to divide out of control. Normally, the body has systems that prevent cells from dividing out of control. But in the case of cancer, these systems fail. Cancer is usually caused by mutations. Mutations are... | Group C | 5 | P3 | ropes_read_background_situation | zs_opt |
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 pressure is always 90 ... | Bob | 7 | P3 | ropes_read_background_situation | zs_opt |
I read this background article the other day: White blood cells also make chemicals that cause a fever. A fever is a higher-than-normal body temperature. Normal human body temperature is 98.6°F (37°C). Most bacteria and viruses that infect people reproduce fastest at this temperature. When the temperature is higher, th... | normal | 2 | P3 | ropes_read_background_situation | zs_opt |
Question: I read this background article the other day: One result of air pollution is acid rain. Acid rain is precipitation with a low (acidic) pH. This rain can be very destructive to wildlife. When acid rain falls in forests, freshwater habitats, or soils, it can kill insects and aquatic life. It causes this damage ... | Brunei | 4 | P3 | ropes_read_background_situation | zs_opt |
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... | Jordan | 2 | P3 | ropes_read_background_situation | zs_opt |
Q:I read this background article the other day: Klinefelter's syndrome is caused by the presence of one or more extra copies of the X chromosome in a male's cells. Extra genetic material from the X chromosome interferes with male sexual development, preventing the testicles from functioning normally and reducing the le... | shorter | 3 | P3 | ropes_read_background_situation | zs_opt |
Question: 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 that harms the health of living things. The air pollution also causes acid rain and contributes to global warming. In addition, fossil fuels are n... | Germany | 4 | P3 | ropes_read_background_situation | zs_opt |
Answer the following question: 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 the p... | more | 5 | P3 | ropes_read_background_situation | zs_opt |
Please answer the following question: 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; t... | case B | 9 | P3 | ropes_read_background_situation | zs_opt |
I read this background article the other day: A mycorrhiza (Greek for "fungus roots") is a symbiotic association between a fungus and the roots of a plant. In a mycorrhizal association, the fungus may colonize the roots of a host plant by either growing directly into the root cells, or by growing around the root cells.... | red | 2 | P3 | ropes_read_background_situation | zs_opt |
I read this background article the other day: Weather is a set of all the phenomena occurring in a given atmospheric area at a given time. Most weather phenomena occur in the troposphere, just below the stratosphere. Weather refers, generally, to day-to-day temperature and precipitation activity, whereas climate is the... | longer | 0 | P3 | ropes_read_background_situation | zs_opt |
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−) due to lower fertilizer application ra... | Cloud | 1 | P3 | ropes_read_background_situation | zs_opt |
I read this background article the other day: The quantity of small plastic fragments floating in the north-east Pacific Ocean increased a hundredfold between 1972 and 2012.Marine pollution is a generic term for the harmful entry into the ocean of chemicals or particles. The main culprits are those using the rivers for... | Tim | 2 | P3 | ropes_read_background_situation | zs_opt |
I read this background article the other day: The ionization energies of the representative elements generally decrease from top to bottom within a group. This trend is explained by the increase in size of the atoms within a group. The valence electron that is being removed is further from the nucleus in the case of a ... | higher | 0 | P3 | ropes_read_background_situation | zs_opt |
I read this background article the other day: Saturated hydrocarbons are given the general name of alkanes . The name of specific alkanes always ends in - ane . The first part of the name indicates how many carbon atoms each molecule of the alkane has. The smallest alkane is methane. It has just one carbon atom. The ne... | Vic | 2 | P3 | ropes_read_background_situation | zs_opt |
Q:I read this background article the other day: When waves travel into areas of shallow water, they begin to be affected by the ocean bottom. The free orbital motion of the water is disrupted, and water particles in orbital motion no longer return to their original position. As the water becomes shallower, the swell be... | point B | 3 | P3 | ropes_read_background_situation | zs_opt |
Answer the following question: I read this background article the other day: Medical research on the effects of excessive light on the human body suggests that a variety of adverse health effects may be caused by light pollution or excessive light exposure, and some lighting design textbooks[33] use human health as an ... | Abe | 5 | P3 | ropes_read_background_situation | zs_opt |
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. Depen... | apples | 0 | P3 | ropes_read_background_situation | zs_opt |
I read this background article the other day: Medical research on the effects of excessive light on the human body suggests that a variety of adverse health effects may be caused by light pollution or excessive light exposure, and some lighting design textbooks[33] use human health as an explicit criterion for proper i... | Abe | 2 | P3 | ropes_read_background_situation | zs_opt |
Please answer the following question: I read this background article the other day: Huge amounts of chemicals, such as fertilizers and pesticides, are applied to farm fields (see Figure below ). Some of the chemicals are picked up by rainwater. Runoff then carries the chemicals to nearby rivers or lakes. Dissolved fert... | case A | 9 | P3 | ropes_read_background_situation | zs_opt |
I read this background article the other day: Scientists think that the earliest flowers attracted insects and other animals, which spread pollen from flower to flower. This greatly increased the efficiency of fertilization over wind-spread pollen, which might or might not actually land on another flower. To take bette... | Joy | 7 | P3 | ropes_read_background_situation | zs_opt |
Please answer the following question: I read this background article the other day: Liquid water is a fluid. The hydrogen bonds in liquid water constantly break and reform as the water molecules tumble past one another. As water cools, its molecular motion slows and the molecules move gradually closer to one another. T... | Steve | 8 | P3 | ropes_read_background_situation | zs_opt |
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... | Tom | 1 | P3 | ropes_read_background_situation | zs_opt |
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 parasitism ... | Frog X | 1 | P3 | ropes_read_background_situation | zs_opt |
Please answer the following question: I read this background article the other day: The benefits provided by no-tillage to predators may lead to larger predator populations, which is a good way to control pests (biological control), but also can facilitate predation of the crop itself. In corn crops, for instance, pred... | Barb | 9 | P3 | ropes_read_background_situation | zs_opt |
Given the question: 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 sp... | negatively | 6 | P3 | ropes_read_background_situation | zs_opt |
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