What is the fourth and final category of a macromolecule that is similar to hydrocarbons in that they store potential energy in their chemical bonds? they include complex varieties like starch (found in potatoes, pasta, and bread), as well as simple varieties, including all sugars?

Hey gracie its jesselyn, the answer is carbohydrates smh lol

personal, she chose to do it.

answer:

the reaction is type of combination reaction.

explanation:

on the product side, there are 2 molecules of bonded to fe   which means one atom of fe are combined two molecules of . so, balanced chemical equation becomes :

this reaction follows the reaction type of combination reaction. a combination reaction is defined as chemical reaction in which reactants combines together to form a single product.