input: OPTIONS:
- predators
- precipitation
- UV light
- extreme heat Now, answer this question: Q: Lodgepole cones remain closed until exposed to what? A:
A:
output: extreme heat

Q: The mean free path for a gaseous molecule will be hundreds of times the what of the molecule? A:

OPTIONS:
- variation
- weight
- density
- diameter

Answer: diameter

Problem: OPTIONS:
- blizzard, frost, fog
- hail, wind, typhoon
- vapor, fog, ice
- snow, sleet, freezing rain
Q: Q: What three forms does frozen precipitation take? A:
Answer: snow, sleet, freezing rain

Problem:OPTIONS:
- fragments
- faults
- ruptures
- fractures

Q: What is it called when breaks in bone occur that is usually caused by excessive stress on the bone? A:
****
A: fractures

Q: Mollusks, annelids, and arthropods are considered what? A:
OPTIONS:
- protisines
- detritivores
- micelles
- protostomes
protostomes

Q: Which atomic model shows that the distances of electrons from the nucleus is not a fixed value? A:
OPTIONS:
- the electron model
- the distance model
- the equivocation model
- the quantum model

Answer:
the quantum model