Question: Q: What are compounds with the same number of carbon and hydrogen atoms called? Choices: - alcohols - hydrocarbons - monomers - isomers A:
Answer: isomers

Question: Q: Most people can survive only a few days without what essential substance? Choices: - air - food - carbon - water A:
Answer: water

Question: Q: Materials made from non-living substances like pebbles and sand are called what? Choices: - microscopic - fibrous - organic - inorganic A:
Answer:
inorganic