Question

Weathering has 2 types: physical weathering and chemical weathering. State the differences b/w the 2 of them.​

Answer 1

Explanation:

Physical weathering describes a change that affects the structure of a rock, but not its composition. It is sometimes also called mechanical weathering since it only causes mechanical changes to the rock's structure. Forces that shatter rocks, rub away rock surfaces, or form cracks within the rock are examples of physical weathering. Physical weathering does not change the chemical composition of rocks.

While physical weathering breaks down rocks without altering their composition, chemical weathering alters the chemicals that compose the rocks. Depending on the chemicals involved, the rock might disintegrate entirely, or might simply become softer and more vulnerable to other forms of weathering. Physical and chemical weathering often work hand in hand: chemical weathering weakens the rock and physical weathering breaks it down

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