Q: Q: What planet is closest to our sun? Choices: - Earth - Venus - Pluto - mercury A:
A: mercury

Q: Q: What is a thin layer of gas that surrounds earth called? Choices: - the cloud cover - the dioxide - the wind cycle - the atmosphere A:
A: the atmosphere

Q: Q: What consists of two or more elements and forms as a result of a chemical reaction? Choices: - molecule - particle - protein - compound A:
A: compound

Q: Q: From what do tubeworms found deep in the galapagos rift get their energy from? Choices: - chemosynthetic plants - chemosynthetic fish - chemosynthetic viruses - chemosynthetic bacteria A:
A: chemosynthetic bacteria