Which of the following is an example of chemical weathering?
plant roots growing through rock
water freezing in the cracks of rocks
oxygen reacting with the minerals in rock
rocks breaking from thermal expansion

The correct answer to the question: Which of the following is an example of chemical weathering, would be, C: Oxygen reacting with the minerals in rocks.

Explanation:

Chemical weathering, especially in rocks, is defined as the changes that rocks suffer as they come in contact with water and its chemical components, that through reactions, alter the formation of these rocks. There are several ways in which the contact between water and rocks causes this weathering, one of which is called hydrolysis, which is, the way in which the water and rock minerals combine together to change the structure of rocks, like is the case of  feldspar. Another one is when oxygen combines with the minerals of the rocks, to cause oxidation, which leads to rocks accumulating rust, becoming weakened so they easily break, and acquiring a redish-brown color. This is why the answer is C.

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explanation:

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