1. Plants and animals play a variety and relatively minor roles in mechanical weathering. |
2. Rodents mechanically mix the soil and loose rock particles. |
3. The roots of trees widen cracks and contributes to the rock break down |
A) 1, 2 and 3 are correct
B) 2 and 3 are correct
C) 1 and 2 are correct
D) 1 and 3 are correct
Correct Answer: A
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