Question: Q: Substances may be either elements or what? Read this paragraph and choose the correct option from the provided answers: Substances may be either elements or pure compounds. They may also be solid, liquid, or gas. Some of the elements (such as silver) exist in the solid form. Other elements (mercury) exist as liquids at room temperature. Elements such as helium and radon exist as gases at room temperature. A compound such as water will take the form of a solid, a liquid, or a gas, depending upon the temperature. Choices: - fundamental compounds - pure chemicals - existent compounds - pure compounds A:
Answer: pure compounds

Question: Q: The hydration of what is what makes many alcohols? Read this paragraph and choose the correct option from the provided answers: Many alcohols are made by the hydration of alkenes. Choices: - lipids - malts - enzymes - alkenes A:
Answer: alkenes

Question: Q: Temperature can affect what attribute of a siamese cat's coat? Read this paragraph and choose the correct option from the provided answers: Genes play an important part in influencing phenotype, but genes are not the only influence. Environmental conditions, such as temperature and availability of nutrients can affect phenotypes. For example, temperature affects coat color in Siamese cats. Choices: - weight - chemical makeup - density - color A:
Answer:
color