Earth's Processes: Weathering and Erosion Unit Test

Question

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Question
What is an example of a physical weathering?(1 point)
Responses

microscopic organisms producing compounds that break down rock
microscopic organisms producing compounds that break down rock

a metal tool left outside beginning to rust
a metal tool left outside beginning to rust

a rock wearing down due to acid rain
a rock wearing down due to acid rain

bits being blown off a rock by heavy winds
bits being blown off a rock by heavy winds

Answer 1

An example of physical weathering is "bits being blown off a rock by heavy winds."

Physical weathering involves the breakdown of rocks without changing their chemical composition, and the action of wind can physically break apart rock material.