which characteristic best identifies a decomposition reaction?\no a single compound as a reactant\no a…

which characteristic best identifies a decomposition reaction?\no a single compound as a reactant\no a single compound as a product\no an element and a compound as reactants\no an element and a compound as products
Answer
Brief Explanations:
A decomposition reaction is defined as a reaction where a single compound breaks down into two or more simpler substances. The key is having a single compound as the starting - material (reactant).
Answer:
a single compound as a reactant