Which of the following is storing gravitational potential energy

A. A cat stalking a mouse
B. Water bucket hanging over a well
C. Ballet dancer spinning on her toes
D. Baseball player sliding into home plate

answer; i believe the correct answer is (solid gold);

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.