was the latest in a line of supercontinents in Earth's history. It began developing over 300 million years ago, eventually making up one-third of the earth's surface Panthalassa Pangea Pangea Proxima Tectonic Plate Convergence

the answer would be a

i just calculated it all out, and not including weekends, and all the different days off. as of this school year (2018-2019) students are spending 2198 hours in school this year

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.