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What is a pure substance that cannot be separated into any other substances called?

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What is a process where some substances called reactants change chemically into different substances called products?

asked Jan 6 in Science by JacquieGuzzi (2.2k points)

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What is a prerequisite for fertilization to take place in plants?

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What is a person who studies the frequency and distribution of disease within human populations and environments called?

asked Jan 6 in Science by RoyalShu7550 (2.3k points)

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What is a network solid and consists of carbon atoms covalently bonded to one another in a repeating three-dimensional pattern?

asked Jan 6 in Science by RamiroShockl (2.5k points)

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What is a molecule with two fatty acids and a modified phosphate group attached to a glycerol backbone?

asked Jan 6 in Science by UnaHolt18437 (2.5k points)

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What is a mixture of potassium nitrate, sulfur, and charcoal?

asked Jan 6 in Science by JeannetteNun (1.5k points)

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What is a mixture of metal with one or more other elements?

asked Jan 6 in Science by Wilbur29087 (1.9k points)

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What is a mixture of eroded rock, minerals, partly decomposed organic matter, and other materials called?

asked Jan 6 in Science by BetteBoniwel (2.3k points)

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What is a measurement of the amount of variation of the species in a given area called?

asked Jan 6 in Science by HesterLoyau3 (2.3k points)

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What is a measure that has both size and direction?

asked Jan 6 in Science by SenaidaWhitf (2.4k points)

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What is a measure of the size of sound waves?

asked Jan 6 in Science by RobtGranier (2.1k points)

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What is a measure of the force of gravity pulling on an object of a given mass?

asked Jan 6 in Science by FawnSharrow (2.5k points)

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What is a measure of the average amount of energy of motion, or kinetic energy, a system contains called?

asked Jan 6 in Science by KrystleFarth (2.8k points)

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What is a measure of the amount of space that a substance or an object occupies?

asked Jan 6 in Science by StephaineCro (2.5k points)

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What is a measure of the amount of space a substance or an object takes up?

asked Jan 6 in Science by Diana66S829 (2.2k points)

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What is a measure of how much energy is needed to change the temperature of a substance?

asked Jan 6 in Science by EnriqueJ252 (2.5k points)

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What is a measure of both speed and direction of motion?

asked Jan 6 in Science by MarcellaFurp (2.2k points)

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What is a mass spectrometer used to measure?

asked Jan 6 in Science by AleidaSeifer (2.6k points)

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