Question

question 9 of 10
______ is a type of weathering where rock is dissolved by an acid.

a. frost wedging

b. carbonation

c. oxidation

d. abrasion

Explanation:

• Frost wedging: Is a physical weathering process where water freezes in rock cracks, expands, and breaks the rock. It does not involve acid dissolution.
• Carbonation: Is a chemical weathering process. Carbonic acid (formed from carbon dioxide and water) reacts with minerals in rocks (like calcium carbonate in limestone). The acid - rock reaction dissolves the rock.
• Oxidation: Is a chemical weathering process where minerals react with oxygen. For example, iron - containing minerals rust. It is not about acid dissolution.
• Abrasion: Is a physical weathering process where rocks are worn down by the impact of other rocks or particles (e.g., in a river, sand grains rub against rocks). No chemical (acid) reaction is involved.

Answer:

B. Carbonation