Discussion :: Lithosphere
- Exposure of rock to the changes of temperature is the cause of ________
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A.
Biological weathering |
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B.
Chemical weathering |
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C.
Degradational weathering |
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D.
Mechanical weathering |
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Answer : Option D
Explanation :
Exposure of rock to the changes of temperature is the cause of Mechanical weathering. Temperature changes can also contribute to mechanical weathering in a process called thermal stress. Changes in temperature cause rock to expand (with heat) and contract (with cold). As this happens over and over again, the structure of the rock weakens.
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