Answer the following question given this paragraph: Some modern seed plants are gymnosperms that produce seeds in cones. Q: What term is used to describe modern seed plants that produce seeds in cones? Choices: - angiosperms - deciduous - perennials - gymnosperms A:
gymnosperms
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Answer the following question given this paragraph: Water density increases as salinity and pressure increase, or as temperature decreases. Q: When salinity and pressure increase, or when temperature decreases, what happens to water density? Choices: - fluctuates - drops - stays the same - increases A:
increases
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Answer the following question given this paragraph: The nitrogen atom of a primary amine is bonded to two hydrogen atoms and one carbon. The nitrogen atom of a secondary amine is bonded to one hydrogen and two carbons. The nitrogen atom of a tertiary amine is bonded to three carbon atoms. Amines are typically named by a common system rather than by IUPAC guidelines. The common system for naming amines along with several examples is shown below. Q: How many hydrogen atoms does a nitrogen atom of a primary amine have? Choices: - four - six - ten - two A:
two
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Answer the following question given this paragraph: Digestion consists of mechanical and chemical digestion. Mechanical digestion occurs in the mouth and stomach. Chemical digestion occurs mainly in the small intestine. The pancreas and liver secrete fluids that aid in digestion. Q: Where does chemical digestion mainly occur? Choices: - apendix - pancreas - liver - small intestine A:
small intestine
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