A scientist observes plant roots growing through the mountain side. This is evidence for which type of natural process?

A scientist observes plant roots growing through the mountain side. This is evidence of Weathering

Explanation:

Weathering is the breaking down of rocks, soil, minerals. Weathering happens in the same place silently not happening as a sudden slide caused by erosion. Weathering is the natural process that takes place in the mountains.

Roots of lichens are pushed between the rocks. These slowly let their roots grow through the rocks. Then they slowly produce crack in the rocks and splits it. This happens slowly and gradually that it causes withering of the rocks.

Answer:The answer is erosion