Q: Food is chemical energy stored in what? Choices: - typical molecules - oxygen molecules - DNA molecules - organic molecules A:
organic molecules

Q: Because it can be controlled intentionally, skeletal muscle is also called what type of muscle? Choices: - automatic - necessary - involuntary - voluntary A:
voluntary

Q: What type of cells are arranged into tightly packed sheaths around the veins of the leaf? Choices: - pattern - sheath cells - cellulose - cell walls - bundle-sheath cells A:
bundle-sheath cells

Q: What are the two major atmospheric gases? Choices: - carbon and helium - nitrogen and hydrogen - hydrogen and oxygen - nitrogen and oxygen A:
nitrogen and oxygen