Respuesta :

Answer:

Decomposition because it's one substance that gets broken down into two separate substances

Explanation:

Answer:

A decomposition reaction.

Explanation:

NH4NO3 ====> N2O + 2H2O

This is an example of a decomposition reaction. We know this because one reactant decomposes into many products. There are several examples of this type of reaction where heat, usually, is used to break down a chemical substance to simpler chemical substances.