Q: Q: What is a rock exposed to if it's undergoing metamorphism? A:

OPTIONS:
- humidity and pressure
- gravity and precipitation
- time and energy
- heat and pressure

A: heat and pressure

input: OPTIONS:
- surface
- solar
- flare
- core Now, answer this question: Q: What is the suns innermost layer called? A:
A:
output: core

Q: What branch of physics deals with the smallest units of elements and compounds? A:

OPTIONS:
- oxygen
- quantum
- gravity
- atomic

Answer: atomic

Problem: OPTIONS:
- geological phenomena
- currents
- winds
- waves
Q: Q: Earthquakes and visible light are examples of what? A:
Answer: waves

Problem:OPTIONS:
- non-existant
- reducing
- lower
- higher

Q: Which temperatures cause particles of reactants to have more energy? A:
****
A: higher

Problem:OPTIONS:
- pulley
- hammer
- blade
- lever

Q: What simple machine works with a wheel and axle in a wheelbarrow? A:
****
A:
lever