The answer to your question is dependent variable.
You know you can add comments right!!! <span />
The answer is atomic weight !
Answer:
1. C (deposition)
2. C (Thawing Causes rock particles to move from place to place)
3. Glaciers were moving along, right? so it has to be U shaped since it was a big hunk of ice moving around lol ( my backyard was formed by a glacier so)
brainliest ? :')