Which hypothesis is testable using a scientific experiment? A. Ancient people liked iron tools better than copper tools.
B. A copper wire conducts electricity better than an iron wire.
C. Copper statues look prettier than iron statues.
D. A 100 g iron bar is worth more money than a 100 g copper bar.
please help ONLY IF YOU KNOW . i will give brainliest

2b2t

explanation:

2b2t

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.