Q: Answer the question

What causes a meteoroid to glow as it falls through the atmosphere of Earth?
OPTIONS:
- wind
- gravity
- friction
- sunlight

A: friction

Q: Answer the question

After which event will ecological succession most likely happen?
OPTIONS:
- a forest fire
- a thunderstorm
- a high tide
- a lunar eclipse

A: a forest fire

Q: Answer the question

Which statement describes the location of our Sun in the universe?
OPTIONS:
- Our Sun orbits Earth in the Andromeda galaxy.
- Our Sun orbits Earth in the Milky Way galaxy.
- Our Sun is the center of a solar system in the Milky Way galaxy.
- Our Sun is the center of a solar system in the Andromeda galaxy.

A:
Our Sun is the center of a solar system in the Milky Way galaxy.