The answer is Chemical
Chemical weathering involves the decomposition of rocks due to chemical reactions between minerals such as calcite with water and gases in the atmosphere (e.g. carbon dioxide and sulphur dioxide). The solution of soluble minerals is particularly important in limestone landscapes.
Answer:
use google and use the first link
Explanation:
A compound is 2 or more substances chemically combined, mixtures arent
Because you need to know what you are looking for before actually trying something so you can prevent any accidents by doing stuff at random
D I think pls don’t get mad if it’s wrong lol