PLEASE ANSWER CORRECTLY The picture shows a landform that broke apart and the rock fell into the valley below. The rock was in high mountains, often subjected to harsh weather. The rock was made of solid granite and there were few plants growing on the cliff. Based on the evidence, what most likely caused the rock to fall?

Choose the correct answer.

1.Acid rain dissolving a fragile portion of the rock

2.Freeze-thaw forming cracks in the rock and spreading the cracks over time

3.Tree roots growing between cracks in the rock and pushing the rock away from the cliff
OR
4.Oxidation by oxygen and water creating rust that slowly wore the rock away from the cliff