Which of the following is an example of oxidation, a type of chemical weathering? A. a landslide B. the movement of a lighthouse closer to a beach C. the erosion of a hillside D. rust Please select the best answer from the choices provided A B c D

## Step 1<br />Chemical weathering involves the alteration of the chemical composition of rocks. This can occur through various processes such as dissolution, hydrolysis, oxidation, and carbonation.<br /><br />## Step 2<br />Oxidation is a type of chemical weathering where oxygen reacts with minerals in the rock to form new minerals. This process often results in the formation of oxides.<br /><br />## Step 3<br />Among the given options, rust is an example of oxidation. Rust is formed when iron reacts with oxygen and water, leading to the formation of iron oxide.<br /><br />## Step 4<br />The other options, such as a landslide, the movement of a lighthouse closer to a beach, and the erosion of a hillside, are examples of physical weathering or erosion, not chemical weathering.