18. All of the following are examples of chemical weathering except
a. acid rain
b. cave formations
c. rocks breaking because of ice
(d, pollution

Chemical weathering are due to chemical reactions

The option which is an exception of the examples of chemical weathering is the option;

C. Rocks breaking because of ice

Reason:

Chemical weathering is the weathering that occurs due to the dissolution of rock compounds, by rain water, oxygen, acids, or living things, forming new compounds

Examples of chemical weathering includes;

Therefore, the option which is an exception is rocks breaking because of ice which is a mechanical weathering process

Learn more about chemical weathering here:

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C

Explanation:

Rocks breaking because of ice.

the law of conservation of mass states that in a chemical reaction, the total mass of reactants is equal to the total mass of products. because atoms are only rearranged in a chemical reaction, there must be the same number of sodium atoms and chlorine atoms in both the reactants and products