Split (1)

train · 13.9k rows

input stringlengths 2.6k 28.8k	output stringlengths 4 150
Context: 10 kgy most food, which is ( with regard to warming ) physically equivalent to water, would warm by only about 2. 5 °c ( 4. 5 °f ). the specialty of processing food by ionizing radiation is the fact, that the energy density per atomic transition is very high, it can cleave molecules and induce ionization ( hen...	B) to preserve the food for extended flights
Context: or solid as is the case with water ( h2o ) ; a liquid at room temperature because its molecules are bound by hydrogen bonds. whereas hydrogen sulfide ( h2s ) is a gas at room temperature and standard pressure, as its molecules are bound by weaker dipole – dipole interactions. the transfer of energy from one ch...	B) At 25°C, they are moving faster.
Context: variation in total solar irradiance is thought to have little effect on the earth ' s surface temperature because of the thermal time constant - - the characteristic response time of the earth ' s global surface temperature to changes in forcing. this time constant is large enough to smooth annual variations b...	A) atmospheric rise of carbon dioxide
Context: ##drate - rich plant products such as barley ( beer ), rice ( sake ) and grapes ( wine ). native americans have used various plants as ways of treating illness or disease for thousands of years. this knowledge native americans have on plants has been recorded by enthnobotanists and then in turn has been used b...	C) coal
Context: and measuring radiation levels. the surveyor program conducted uncrewed lunar landings and takeoffs, as well as taking surface and regolith observations. despite the setback caused by the apollo 1 fire, which killed three astronauts, the program proceeded. apollo 8 was the first crewed spacecraft to leave low ...	B) 29 days
Context: lines are dimension lines and are used for dimensioning, projecting, extending, or leaders. a harder pencil should be used, such as a 2h pencil. type c lines are used for breaks when the whole object is not shown. these are freehand drawn and only for short breaks. 2h pencil type d lines are similar to type c,...	A) changing at a constant rate.
Context: energy they need to exist. plants, algae and cyanobacteria are the major groups of organisms that carry out photosynthesis, a process that uses the energy of sunlight to convert water and carbon dioxide into sugars that can be used both as a source of chemical energy and of organic molecules that are used in t...	B) the sun
Context: substrate - level phosphorylation, which does not require oxygen. = = = photosynthesis = = = photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organism ' s metabolic activities via cellular respiration. this chemic...	B) 6 atoms of carbon [C]
Context: pigment chlorophyll a. chlorophyll a ( as well as its plant and green algal - specific cousin chlorophyll b ) absorbs light in the blue - violet and orange / red parts of the spectrum while reflecting and transmitting the green light that we see as the characteristic colour of these organisms. the energy in th...	D) glass prism
Context: known as anaesthetics ) : concerned with the perioperative management of the surgical patient. the anesthesiologist ' s role during surgery is to prevent derangement in the vital organs ' ( i. e. brain, heart, kidneys ) functions and postoperative pain. outside of the operating room, the anesthesiology physici...	C) digestive system
Context: becomes quite gentle. accordingly, in large basins, rivers in most cases begin as torrents with a variable flow, and end as gently flowing rivers with a comparatively regular discharge. the irregular flow of rivers throughout their course forms one of the main difficulties in devising works for mitigating inun...	A) fire
Context: are motivators for scientists to commit misconduct, which are briefly summarised here. career pressure science is still a very strongly career - driven discipline. scientists depend on a good reputation to receive ongoing support and funding, and a good reputation relies largely on the publication of high - pr...	B) evaluate the evidence in the paper.
Context: joints. = = = metal alloys = = = the alloys of iron ( steel, stainless steel, cast iron, tool steel, alloy steels ) make up the largest proportion of metals today both by quantity and commercial value. iron alloyed with various proportions of carbon gives low, mid and high carbon steels. an iron - carbon alloy...	A) chemical
Context: = = = = = = environmental remediation = = = environmental remediation is the process through which contaminants or pollutants in soil, water and other media are removed to improve environmental quality. the main focus is the reduction of hazardous substances within the environment. some of the areas involved i...	A) burning coal
Context: ##yotic microorganisms. typically a few micrometers in length, bacteria have a number of shapes, ranging from spheres to rods and spirals. bacteria were among the first life forms to appear on earth, and are present in most of its habitats. bacteria inhabit soil, water, acidic hot springs, radioactive waste, a...	B) decomposers
Context: lines are dimension lines and are used for dimensioning, projecting, extending, or leaders. a harder pencil should be used, such as a 2h pencil. type c lines are used for breaks when the whole object is not shown. these are freehand drawn and only for short breaks. 2h pencil type d lines are similar to type c,...	C) gravity
Context: variation in total solar irradiance is thought to have little effect on the earth ' s surface temperature because of the thermal time constant - - the characteristic response time of the earth ' s global surface temperature to changes in forcing. this time constant is large enough to smooth annual variations b...	D) weathering
Context: superdielectric behavior was observed in pastes made of high surface area alumina filled to the level of incipient wetness with water containing dissolved sodium chloride ( table salt ). in some cases the dielectric constants were greater than 10 ^ 10. the classical platonist / formalist dilemma in philosophy ...	D) a prediction
Context: classes according to pore size : the form and shape of the membrane pores are highly dependent on the manufacturing process and are often difficult to specify. therefore, for characterization, test filtrations are carried out and the pore diameter refers to the diameter of the smallest particles which could no...	A) Balance
Context: = = organic compounds are molecules that contain carbon bonded to another element such as hydrogen. with the exception of water, nearly all the molecules that make up each organism contain carbon. carbon can form covalent bonds with up to four other atoms, enabling it to form diverse, large, and complex molecu...	B) liquid at room temperature.
Context: on a large scale provided protection from insect pests or tolerance to herbicides. fungal and virus resistant crops have also been developed or are in development. this makes the insect and weed management of crops easier and can indirectly increase crop yield. gm crops that directly improve yield by accelerat...	C) Water supplies can be contaminated by pesticide runoff.
Context: they may have been present earlier, their diversification accelerated when they started using oxygen in their metabolism. later, around 1. 7 billion years ago, multicellular organisms began to appear, with differentiated cells performing specialised functions. algae - like multicellular land plants are dated b...	D) following mass extinctions
Context: is the scientific study of inheritance. mendelian inheritance, specifically, is the process by which genes and traits are passed on from parents to offspring. it has several principles. the first is that genetic characteristics, alleles, are discrete and have alternate forms ( e. g., purple vs. white or tall v...	B) brown eyes
Context: , but the other isolated chemical elements consist of either molecules or networks of atoms bonded to each other in some way. identifiable molecules compose familiar substances such as water, air, and many organic compounds like alcohol, sugar, gasoline, and the various pharmaceuticals. however, not all substa...	C) neuron
Context: inter - and intra - specific crosses between wild species and their hybrids. angiosperms with monoecious flowers often have self - incompatibility mechanisms that operate between the pollen and stigma so that the pollen either fails to reach the stigma or fails to germinate and produce male gametes. this is on...	A) to attract potential mates
Context: in 2023, 639, 300 people died in france, 35, 900 fewer than in 2022, a year of high mortality. over the last twenty years, from 2004 to 2023, january 3rd was the deadliest day, while august 15th was the least deadly one. elderly people die significantly less often in the summer. deaths are also less frequent o...	B) line graph
Context: 28 size spectra of extensive air showers from 7 different experiments are analysed consistently. they are fitted by adjusting either 4 or 5 parameters : knee position, power law exponents above and below the knee, overall intensity and, in addition, a parameter describing the smoothness of the bend. the residu...	B) a line graph
Context: are single - celled organisms such as bacteria, whereas eukaryotes can be single - celled or multicellular. in multicellular organisms, every cell in the organism ' s body is derived ultimately from a single cell in a fertilized egg. = = = cell structure = = = every cell is enclosed within a cell membrane that...	C) producing energy for cell processes.
Context: is the scientific study of inheritance. mendelian inheritance, specifically, is the process by which genes and traits are passed on from parents to offspring. it has several principles. the first is that genetic characteristics, alleles, are discrete and have alternate forms ( e. g., purple vs. white or tall v...	A) fur color
Context: the bruggeman formalism provides an estimate of the effective permittivity of a composite material comprising two constituent materials, with each constituent material being composed of electrically small particles. when one of the constituent materials is silver and the other is an insulating material, the br...	D) an iron nail
Context: of tool usage was found in ethiopia within the great rift valley, dating back to 2. 5 million years ago. the earliest methods of stone tool making, known as the oldowan " industry ", date back to at least 2. 3 million years ago. this era of stone tool use is called the paleolithic, or " old stone age ", and sp...	B) They were smoothed by the action of wind and water.
Context: background : african swine fever is among the most devastating viral diseases of pigs. despite nearly a century of research, there is still no safe and effective vaccine available. the current situation is that either vaccines are safe but not effective, or they are effective but not safe. findings : the asf v...	B) to determine how the vaccine will affect people
Context: ##tion, and pasteurization in order to become products that can be sold. there are three levels of food processing : primary, secondary, and tertiary. primary food processing involves turning agricultural products into other products that can be turned into food, secondary food processing is the making of food...	A) summer, because there is more sunlight
Context: unspecialised cells ) that can grow into a new plant. in vascular plants, the xylem and phloem are the conductive tissues that transport resources between shoots and roots. roots are often adapted to store food such as sugars or starch, as in sugar beets and carrots. stems mainly provide support to the leaves ...	C) arteries and veins
Context: the structural components of cells. as a by - product of photosynthesis, plants release oxygen into the atmosphere, a gas that is required by nearly all living things to carry out cellular respiration. in addition, they are influential in the global carbon and water cycles and plant roots bind and stabilise so...	D) Decomposition adds nutrients to soil.
Context: high quality thread. the power loom was invented by edmund cartwright in 1787. in the mid - 1750s, the steam engine was applied to the water power - constrained iron, copper and lead industries for powering blast bellows. these industries were located near the mines, some of which were using steam engines for ...	B) From the Sun's light
Context: = = when 0 is said to be neither positive nor negative, the following phrases may refer to the sign of a number : a number is positive if it is greater than zero. a number is negative if it is less than zero. a number is non - negative if it is greater than or equal to zero. a number is non - positive if it is...	C) acceleration of the ball
Context: superheated droplets are proven to be excelent detectors for neutrons and could be used as a neutron dosimeter. to detect accurately the volume of the vapour formed upon nucleation and hence to observe the nucleation quantitatively an air displacement system has been developed. becomes quite gentle. accordingl...	D) mountains
Context: applications, where neither weight nor corrosion are a major concern. cast irons, including ductile iron, are also part of the iron - carbon system. iron - manganese - chromium alloys ( hadfield - type steels ) are also used in non - magnetic applications such as directional drilling. other engineering metals ...	D) metal
Context: a minus sign is inserted, for good reason, into the formula for the energy - momentum tensor for tachyons. this leads to remarkable theoretical consequences and a plausible explanation for the phenomenon called dark energy in the cosmos. parts of australia have been privileged to see dazzling lights in the nig...	B) Earth spins on its axis.
Context: . long - term memory allows us to store information over prolonged periods ( days, weeks, years ). we do not yet know the practical limit of long - term memory capacity. short - term memory allows us to store information over short time scales ( seconds or minutes ). memory is also often grouped into declarati...	D) reduce electricity use
Context: dynamical evolution of spiral galaxies is strongly dependent on non - axisymmetric patterns that develop from gravitational instabilities, either spontaneously or externally triggered. some evolutionary sequences are described through which a galaxy could possibly concentrate mass and build bulges, how externa...	C) neutron star
Context: be the more significant to modern soil theory than fallou ' s. previously, soil had been considered a product of chemical transformations of rocks, a dead substrate from which plants derive nutritious elements. soil and bedrock were in fact equated. dokuchaev considers the soil as a natural body having its own...	A) layers of sandstone
Context: have evolved from the earliest emergence of life to present day. earth formed about 4. 5 billion years ago and all life on earth, both living and extinct, descended from a last universal common ancestor that lived about 3. 5 billion years ago. geologists have developed a geologic time scale that divides the hi...	A) biosphere to lithosphere
Context: = = when 0 is said to be neither positive nor negative, the following phrases may refer to the sign of a number : a number is positive if it is greater than zero. a number is negative if it is less than zero. a number is non - negative if it is greater than or equal to zero. a number is non - positive if it is...	C) decreasing
Context: logical and mathematical aspects of the basic concepts of thermodynamics are considered. nuclear jets containing relativistic ` ` hot ' ' particles close to the central engine cool dramatically by producing high energy radiation. the radiative dissipation is similar to the famous compton drag acting upon ` ` c...	C) mechanical energy.
Context: ##morphology studies the origin of landscapes. structural geology studies the deformation of rocks to produce mountains and lowlands. resource geology studies how energy resources can be obtained from minerals. environmental geology studies how pollution and contaminants affect soil and rock. mineralogy is the...	C) Currents redistribute heat in an unevenly heated liquid.
Context: the classical and the quantum motion of a massive body in the rotating tube is considered. photon is included. the spin motion described by the bargmann - michel - telegdi equation is considered in the rotation tube and rotating system. a minus sign is inserted, for good reason, into the formula for the energy...	C) rotation of Earth
Context: all christian authors held that the earth was round. athenagoras, an eastern christian writing around the year 175 ad, said that the earth was spherical. methodius ( c. 290 ad ), an eastern christian writing against " the theory of the chaldeans and the egyptians " said : " let us first lay bare... the theory ...	D) change of seasons
Context: radio waves. the radio waves carry the information to the receiver location. at the receiver, the radio wave induces a tiny oscillating voltage in the receiving antenna – a weaker replica of the current in the transmitting antenna. this voltage is applied to the radio receiver, which amplifies the weak radio s...	D) rock
Context: three major planets, venus, earth, and mercury formed out of the solar nebula. a fourth planetesimal, theia, also formed near earth where it collided in a giant impact, rebounding as the planet mars. during this impact earth lost $ { \ approx } 4 $ \ % of its crust and mantle that is now is found on mars and t...	B) gravitational pull of the Moon
Context: his sickle to one location. ( he realized it was a sickle by testing various blades on an animal carcass and comparing the wounds. ) flies, attracted by the smell of blood, eventually gathered on a single sickle. in light of this, the owner of that sickle confessed to the murder. the book also described how to...	B) hot temperatures
Context: masculinity and warmth. the five phases – fire, earth, metal, wood, and water – described a cycle of transformations in nature. the water turned into wood, which turned into the fire when it burned. the ashes left by fire were earth. using these principles, chinese philosophers and doctors explored human anato...	B) succession
Context: soil erosion. plants are crucial to the future of human society as they provide food, oxygen, biochemicals, and products for people, as well as creating and preserving soil. historically, all living things were classified as either animals or plants and botany covered the study of all organisms not considered ...	B) wind erosion
Context: substrate - level phosphorylation, which does not require oxygen. = = = photosynthesis = = = photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organism ' s metabolic activities via cellular respiration. this chemic...	A) chemical energy.
Context: unspecialised cells ) that can grow into a new plant. in vascular plants, the xylem and phloem are the conductive tissues that transport resources between shoots and roots. roots are often adapted to store food such as sugars or starch, as in sugar beets and carrots. stems mainly provide support to the leaves ...	B) water needed by the plant
Context: inherited traits such as shape in pisum sativum ( peas ). what mendel learned from studying plants has had far - reaching benefits outside of botany. similarly, " jumping genes " were discovered by barbara mcclintock while she was studying maize. nevertheless, there are some distinctive genetic differences bet...	D) Fertilizer will make bean plants grow taller.
Context: prehistory. the oldest gold treasure in the world, dating from 4, 600 bc to 4, 200 bc, was discovered at the site. the gold piece dating from 4, 500 bc, found in 2019 in durankulak, near varna is another important example. other signs of early metals are found from the third millennium bc in palmela, portugal,...	D) stays the same.
Context: such as electromagnetic forces, mechanical pressures, or fluid pressures to the tissue. these systems can be two - or three - dimensional setups. bioreactors can be used in both academic and industry applications. general - use and application - specific bioreactors are also commercially available, which may p...	B) pliers
Context: ##morphology studies the origin of landscapes. structural geology studies the deformation of rocks to produce mountains and lowlands. resource geology studies how energy resources can be obtained from minerals. environmental geology studies how pollution and contaminants affect soil and rock. mineralogy is the...	B) high temperature and high pressure
Context: a statistical study of the environment around polar ring galaxies is presented. two kinds of search are performed : 1 ) a study of the concentration and diameters of all the objects surrounding the polar rings, within a search field 5 times the ring diameter. new magnitudes for polar ring galaxies are presente...	C) protect their young
Context: the thickness and the density of the material to be measured. the method is used for containers of liquids or of grainy substances thickness gauges : if the material is of constant density, the signal measured by the radiation detector depends on the thickness of the material. this is useful for continuous pro...	D) graduated cylinder
Context: the structural components of cells. as a by - product of photosynthesis, plants release oxygen into the atmosphere, a gas that is required by nearly all living things to carry out cellular respiration. in addition, they are influential in the global carbon and water cycles and plant roots bind and stabilise so...	C) take in water and nutrients
Context: is the scientific study of inheritance. mendelian inheritance, specifically, is the process by which genes and traits are passed on from parents to offspring. it has several principles. the first is that genetic characteristics, alleles, are discrete and have alternate forms ( e. g., purple vs. white or tall v...	D) parent.
Context: pigment chlorophyll a. chlorophyll a ( as well as its plant and green algal - specific cousin chlorophyll b ) absorbs light in the blue - violet and orange / red parts of the spectrum while reflecting and transmitting the green light that we see as the characteristic colour of these organisms. the energy in th...	A) electrical energy to light and heat energy
Context: enough to rise to the surface — giving birth to volcanoes. = = atmospheric science = = atmospheric science initially developed in the late - 19th century as a means to forecast the weather through meteorology, the study of weather. atmospheric chemistry was developed in the 20th century to measure air pollutio...	C) condensation
Context: electrons, creating radicals. most radicals are comparatively reactive, but some, such as nitric oxide ( no ) can be stable. the " inert " or noble gas elements ( helium, neon, argon, krypton, xenon and radon ) are composed of lone atoms as their smallest discrete unit, but the other isolated chemical elements...	D) the second column from the right side of the table
Context: have evolved from the earliest emergence of life to present day. earth formed about 4. 5 billion years ago and all life on earth, both living and extinct, descended from a last universal common ancestor that lived about 3. 5 billion years ago. geologists have developed a geologic time scale that divides the hi...	A) Alfred Wegener
Context: enough to rise to the surface — giving birth to volcanoes. = = atmospheric science = = atmospheric science initially developed in the late - 19th century as a means to forecast the weather through meteorology, the study of weather. atmospheric chemistry was developed in the 20th century to measure air pollutio...	C) carbon dioxide, water vapor, and nitrogen
Context: we bring you, as usual, the sun and moon and stars, plus some galaxies and a new section on astrobiology. some highlights are short ( the newly identified class of gamma - ray bursts, and the deep impact on comet 9p / tempel 1 ), some long ( the age of the universe, which will be found to have the earth at its...	B) a telescope and a computer
Context: the origins of the series of european cosmic - ray symposia are briefly described. the first meeting in the series, on hadronic interactions and extensive air showers, held in lodz, poland in 1968, was attended by the author : some memories are recounted. , including objects we can see with our naked eyes. it ...	A) the Sun and Earth
Context: radio waves. the radio waves carry the information to the receiver location. at the receiver, the radio wave induces a tiny oscillating voltage in the receiving antenna – a weaker replica of the current in the transmitting antenna. this voltage is applied to the radio receiver, which amplifies the weak radio s...	C) habitat loss
Context: reflectometer ), which takes measurements in the visible region ( and a little beyond ) of a given color sample. if the custom of taking readings at 10 nanometer increments is followed, the visible light range of 400 – 700 nm will yield 31 readings. these readings are typically used to draw the sample ' s spec...	D) by helping the chameleon hide from its predators
Context: oscillations of the sun have been used to understand its interior structure. the extension of similar studies to more distant stars has raised many difficulties despite the strong efforts of the international community over the past decades. the corot ( convection rotation and planetary transits ) satellite, l...	B) provide an energy source for the watch.
Context: made of steel. the shoe is generally wider than the caisson to reduce friction, and the leading edge may be supplied with pressurised bentonite slurry, which swells in water, stabilizing settlement by filling depressions and voids. an open caisson may fill with water during sinking. the material is excavated b...	B) U-shaped valleys
Context: = = = = = = environmental remediation = = = environmental remediation is the process through which contaminants or pollutants in soil, water and other media are removed to improve environmental quality. the main focus is the reduction of hazardous substances within the environment. some of the areas involved i...	B) Plant native plants
Context: ##physical processes which take place in human beings as they make sense of information received through the visual system. the subject of the image. when developing an imaging system, designers must consider the observables associated with the subjects which will be imaged. these observables generally take th...	D) create a table
Context: = = organic compounds are molecules that contain carbon bonded to another element such as hydrogen. with the exception of water, nearly all the molecules that make up each organism contain carbon. carbon can form covalent bonds with up to four other atoms, enabling it to form diverse, large, and complex molecu...	C) carbon.
Context: have evolved from the earliest emergence of life to present day. earth formed about 4. 5 billion years ago and all life on earth, both living and extinct, descended from a last universal common ancestor that lived about 3. 5 billion years ago. geologists have developed a geologic time scale that divides the hi...	B) hydrogen
Context: men ' s sports include baseball, basketball, cross country, football, golf, swimming & diving, cheerleading, tennis and track & field ; while women ' s sports include basketball, cross country, softball, swimming and diving, tennis, track & field, cheerleading, and volleyball. their cheerleading squad has, in ...	C) speed
Context: earth. it emphasizes the study of how humans use and interact with freshwater supplies. study of water ' s movement is closely related to geomorphology and other branches of earth science. applied hydrology involves engineering to maintain aquatic environments and distribute water supplies. subdisciplines of h...	C) microscope, eye dropper, slides
Context: , crystal structure, hazards associated with minerals, and the physical and chemical properties of minerals. petrology is the study of rocks, including the formation and composition of rocks. petrography is a branch of petrology that studies the typology and classification of rocks. = = earth ' s interior = = ...	A) explained the movement of oceanic and continental crusts.
Context: the celebrated franck - hertz experiment is reinterpreted by analogy with the glimmentladung experiment, formerly performed by heinrich hertz. not always mean it is required, especially when dealing with genetic or functional redundancy. tracking experiments, which seek to gain information about the localisati...	A) Data can be compared.
Context: 10 kgy most food, which is ( with regard to warming ) physically equivalent to water, would warm by only about 2. 5 °c ( 4. 5 °f ). the specialty of processing food by ionizing radiation is the fact, that the energy density per atomic transition is very high, it can cleave molecules and induce ionization ( hen...	B) specific heat
Context: variation in total solar irradiance is thought to have little effect on the earth ' s surface temperature because of the thermal time constant - - the characteristic response time of the earth ' s global surface temperature to changes in forcing. this time constant is large enough to smooth annual variations b...	B) summer
Context: activation energy necessary for a chemical reaction to occur can be in the form of heat, light, electricity or mechanical force in the form of ultrasound. a related concept free energy, which also incorporates entropy considerations, is a very useful means for predicting the feasibility of a reaction and deter...	C) friction
Context: cortisol, corticosterone and aldosterone activate full - length glucocorticoid receptor ( gr ) from elephant shark, a cartilaginous fish belonging to the oldest group of jawed vertebrates. activation by aldosterone a mineralocorticoid, indicates partial divergence of elephant shark gr from the mr. progesterone...	A) chemical and pollutant runoff into the ocean
Context: ##ting the principle of conservation of mass and developing a new system of chemical nomenclature used to this day. english scientist john dalton proposed the modern theory of atoms ; that all substances are composed of indivisible ' atoms ' of matter and that different atoms have varying atomic weights. the d...	C) increase in atomic number.
Context: ##physical processes which take place in human beings as they make sense of information received through the visual system. the subject of the image. when developing an imaging system, designers must consider the observables associated with the subjects which will be imaged. these observables generally take th...	D) photovoltaic cell.
Context: a polygon is a shape that is bounded by a finite chain of straight line segments closing in a loop to form a closed chain or circuit. these segments are called its edges or sides, and the points where two edges meet are the polygon ' s vertices ( singular : vertex ) or corners. the interior of the polygon is s...	D) used to describe how part of the data relates to all of the data
Context: from the oil of jasminum grandiflorum which regulates wound responses in plants by unblocking the expression of genes required in the systemic acquired resistance response to pathogen attack. in addition to being the primary energy source for plants, light functions as a signalling device, providing informatio...	C) both the bees and the flowering plants
Context: outer satellites of the planets have distant, eccentric orbits that can be highly inclined or even retrograde relative to the equatorial planes of their planets. these irregular orbits cannot have formed by circumplanetary accretion and are likely products of early capture from heliocentric orbit. the irregula...	C) comets
Context: ##ctonics, mountain ranges, volcanoes, and earthquakes are geological phenomena that can be explained in terms of physical and chemical processes in the earth ' s crust. beneath the earth ' s crust lies the mantle which is heated by the radioactive decay of heavy elements. the mantle is not quite solid and con...	C) The theory explains a number of related observations.
Context: becomes quite gentle. accordingly, in large basins, rivers in most cases begin as torrents with a variable flow, and end as gently flowing rivers with a comparatively regular discharge. the irregular flow of rivers throughout their course forms one of the main difficulties in devising works for mitigating inun...	A) reduce the amount of nutrients in the soil.
Context: ##ilage generated without the use of exogenous scaffold material. in this methodology, all material in the construct is cellular produced directly by the cells. bioartificial heart : doris taylor ' s lab constructed a biocompatible rat heart by re - cellularising a de - cellularised rat heart. this scaffold an...	B) the invention of lithium batteries
Context: muck ) from the edge of the workspace to a water - filled pit, connected by a tube ( called the muck tube ) to the surface. a crane at the surface removes the soil with a clamshell bucket. the water pressure in the tube balances the air pressure, with excess air escaping up the muck tube. the pressurized air f...	A) The density of helium is less than the density of air.
Context: ' t there. charles darwin a mathematician, like a painter or poet, is a maker of patterns. if his patterns are more permanent than theirs, it is because they are made with ideas. g. h. hardy, 1940 mathematics is the art of giving the same name to different things. henri poincare mathematics is the science of s...	A) eating and moving
Context: in the year 1598 philipp uffenbach published a printed diptych sundial, which is a forerunner of franz ritters horizantal sundial. uffenbach ' s sundial contains apart from the usual information on a sundial ascending signs of the zodiac, several brigthest stars, an almucantar and most important the oldest gno...	A) pressure increases.
Context: ##ulating the liquid below from the cold air above. water has the capacity to absorb energy, giving it a higher specific heat capacity than other solvents such as ethanol. thus, a large amount of energy is needed to break the hydrogen bonds between water molecules to convert liquid water into water vapor. as a...	C) evaporation
Context: it is well known and well established by scientific observation that a free neutron radioactively decays into a proton plus an electron plus an anti - neutrino with a mean life time before decay of about 900 seconds. that established fact conflicts sharply with the hypothesis that the neutron is composed of tw...	B) atomic mass.

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