(Question)
Q: The direction of the force of gravity is in what direction? Choices: - staggered line - curved line - fragmented line - straight line A:
(Answer)
straight line

(Question)
Q: Electrons move, but they aren't destroyed. this is the law of conservation of what? Choices: - energy - cost - matter - charge A:
(Answer)
charge

(Question)
Q: What can be used to speed up biochemical reactions? Choices: - proteins - hormones - carbohydrates - enzymes A:
(Answer)
enzymes