Breaking down rock through chemical changes?

Chemical weathering is the breaking down of rocks by changes in its chemical composition by oxygen and acids. Oxygen reacts with the iron that some rocks contain creating rust which weakens the rock, allowing it to be easily broken. Another type of weathering that attacks rocks is chemical weathering, a process that breaks down rock through chemical changes. The causes of chemical weathering include action of water, oxygen, carbon dioxide, living organisms, and acid rain. Chemical weathering can produce new minerals as it breaks down rock.

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Another type of weathering that attacks rocks is chemical weathering, a process that breaks down rock through chemical changes. The causes of chemical weathering include action of water, oxygen, carbon dioxide, living organisms, and acid rain. Chemical weathering can produce new minerals as it breaks down rock.

Explanation:

a compound is a molecule made of atoms from different elements.

a. by the combination of an unlimited number of elements