They are made by melting glaciers
Hope this helps!! :)
Explanation:
d. Najmniesze Państwo świata
To cause the reaction, catalysts use the catalytic cycles, decomposition reactions, and combustion cycles.
<h3>What do you mean by a reaction?</h3>
A reaction refers to the chemical process where substances mutually act and are changed into different substances.
Catalytic cycles refer to the multistep reaction that involves the catalysts. It is considered the main method that describes the major role of catalysts.
Decomposition and combustion cycles are also used by the catalysts.
Therefore, A and B are the correct options.
Learn more about the reaction here:
brainly.com/question/17434463
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