Q: Binding of acetylcholine to receptors on the muscle fiber leads to a? Choices: - repolarization - conduction - excitation - depolarization A:
depolarization

Q: About how many thunderstorms are there each year worldwide? Choices: - 21 million - 17 million - 23 million - 14 million A:
14 million

Q: Q: What is the transition from liquid to gas is called? Choices: - freezing - condensing - melting - boiling A:
A: boiling

Question: Q: What natural destructive element cuts away at rock forming river valleys? Choices: - sediment - lava - air - water A:
Answer: water

*Question*
Q: The location of an object in a frame of reference is called what? Choices: - fact - change - marker - position A:
**Answer**
position

(Question)
Q: What type of tissue covers the outside of a plant? Choices: - porous - anterior - epidermal - dermal A:
(Answer)
dermal