Which process requires energy to decompose a
substance?

electrolysis

Explanation:

Electrolysis is one process that requires energy to decompose a substance into another one.

Electrolysis is a chemical process which converts electrical energy into chemical energy.

This process actually involves the decomposition of ionic compounds when electric current is passed through into an aqueous solution or molten form of the compound via the electrodes.

its mg hope this

its going to be mutualism cuz they both benefit from the relationship.

~batmans wife dun dun