Q: What does lattice energy of an ionic solid measure the strength of? Choices: - metals - atoms - electrons - bonds A:
bonds

Q: Newton realized that the nature of gravity on earth that pulls an apple to the ground could explain the motion of these? Choices: - seasons - atoms and quarks - molecules - moon and planets A:
moon and planets

Q: Q: Lodgepole cones remain closed until exposed to what? Choices: - predators - precipitation - UV light - extreme heat A:
A: extreme heat

Question: Q: When is melatonin secreted? Choices: - in the afternoon - all day - in the morning - at night A:
Answer: at night

*Question*
Q: Which factor has a big impact on coastal climates? Choices: - ocean waves - tsunami - tide - large ocean currents A:
**Answer**
large ocean currents

Q: Q: Where did west nile first appear? Choices: - Central America - North Africa - Southeast Asia - north america A:
A: north america