A football player experiences acute pain in his knee. Which of the following methods can a doctor use to diagnose the reason for the pain? Use infrared radiation from warm objects to look inside the knees.
Use radio waves emitted by radioactive substances to look at bones.
Use radiations emitted by very hot objects to penetrate the skin and bones.
Use x‒ray radiation to see if there are any fractured bones.

its X-ray one lol that other guy is wrong

Explanation:

"the periodic table is arranged in order of atomic number."

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.