Factors that are being measured or counted, changes in response to the Independent variable. Data
Evidence
Histogram
Secondary Source
Primary Source
Bias
Peer Review
Independent Variable
Dependent Variable
Control

oh it is true if thats what you are asking

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.

yes

ya te ayud espera