Question

which process is defined as breaking down rocks into smaller pieces without changing the rocks compositions?
○ erosion
○ oxidation
○ chemical weathering
○ mechanical weathering

Explanation:

Erosion moves rock fragments, not breaks them. Oxidation and chemical weathering alter rock composition. Mechanical weathering physically breaks rocks into smaller pieces without changing their chemical makeup, matching the definition in the question.

Answer:

D. mechanical weathering