Question

for each image or example, identify the type of mechanical weathering. 1. lessons from a rock fall this is an example of 2. roots of plants enlarge cracks and joints in rocks. as the root grows the joint is opened up. here you see the process of

Explanation:

1. Rock - fall is often due to physical forces like gravity causing rocks to break and fall. This is physical or mechanical weathering. One type related to rock - fall can be frost - wedging if water freezes in cracks and expands, causing rock breakage and falls. But without more context, it's hard to be specific.
2. When plant roots grow into cracks and joints in rocks and enlarge them, this is called root - pry. It is a form of mechanical weathering where the growing roots exert pressure on the rock, causing it to break apart.

Answer:

1. Frost - wedging (tentative without more context)
2. Root - pry