Which one of the following explains how light energy helps us see all kinds of objects around us? a flashlight shining light on a book

Light is absorbed by the objects and does not reach our eyes.

The objects emit light that enters our eyes.

Light reflects off the objects and enters our eyes.

Light travels in a straight line until it enters our eyes

Btw the picture is a flashlight pointing to a book

Explanation:

We see any object because of reflection of light. When light, strikes a body, get reflected and received by human eye, the image formed in retina is what brain process and tells you that there is an object there.

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.