Q: What layer, made of hot, solid rock, is beneath the earth's crust? Choices: - marble - core - magma - mantle A:
mantle

Q: What type of molecule is first broken down in cellular respiration? Choices: - oxygen molecule - hydrogen molecule - fructose molecule - glucose molecule A:
glucose molecule

Q: In physics, the number of waves that pass a fixed point in a given amount time is referred to as what ? Choices: - combination frequency - wave count - creation frequency - wave frequency A:
wave frequency