a reaction occurs when one compound reacts and is broken down into different elements or simpler substances…

a reaction occurs when one compound reacts and is broken down into different elements or simpler substances. options: combustion, decomposition, single replacement, synthesis

a reaction occurs when one compound reacts and is broken down into different elements or simpler substances. options: combustion, decomposition, single replacement, synthesis

Answer

Brief Explanations:

Combustion is a reaction with oxygen, single - replacement involves one element replacing another in a compound, and synthesis is the combination of elements or compounds to form a single product. Decomposition is the process where a compound breaks down into different elements or simpler compounds.

Answer:

B. decomposition