How do burrowing animals help in weathering?

Correct answer: They loosen soil and rocky material

The direct answer is C: burrowing animals loosen soil and rocky material. Biological weathering includes the physical and chemical effects of living organisms. Step by step: an animal digs a burrow; its movement breaks and loosens soil or small rock fragments; the openings allow more air and water to enter; these can speed further weathering. Option C is correct because it directly describes the effect. Option A is nonsensical: animals cannot turn rock into the Sun. Option B is unrelated to the local action of burrowing and cannot dry oceans. Option D is unrelated because ordinary burrowing does not change Earth’s axis. The important idea is not that animals transport huge land masses, but that their roots, tunnels, and movements expose and loosen material. Memory cue: living organisms can crack, loosen, and expose rock.