Which of the Following is an Example of Chemical Weathering?

Answer :

A. The forces created by freezing and thawing of water resulting in fracturing.

B. The dissolution of calcite in water.

C. The splitting of a rock by a tree root.

D. The heating and cooling of rock breaking rock into smaller pieces due to expansion and contraction.

Correct Answer: B. The dissolution of calcite in water

The dissolution of calcite in water is an example of chemical weathering, which involves the decomposition of rock or minerals via chemical interactions with elements such as water, oxygen, and acids. In this instance, the calcite within the rock reacts with water, leading to its dissolution and eventual breakdown.

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