Question

moss, lichens, and fungi create acid that breaks down rocks; constructive; destructive (mechanical weathering); destructive (chemical weathering)

Explanation:

The description involves moss, lichens, and fungi creating acid to break down rocks, which is a chemical process of weathering. Chemical weathering involves chemical reactions (like acid formation) to decompose rocks, matching the "Destructive (chemical weathering)" option.

Answer:

Destructive (chemical weathering)