Which of the following applies to valid data? check all that apply.

.the data is inaccurate.

.the data is collected with care.

.the data does not answer the questions of the experiment.

.the data is related to the variables of the experiment.

its earth science

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.