

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.
There are two big advantages of using molarity to express concentration. The first advantage is that it's easy and convenient to use because the solute may be measured in grams, converted into moles, and mixed with a volume.
The second advantage is that the sum of the molar concentrations is the total molar concentration. This permits calculations of density and ionic strength
Answer: C. Oxygen Gas
Explanation: When Hydrogen Gas and Oxygen Gas combine together it forms water correct. When you have an excess amount of another it stays neutral because it has no other molecule to react with.
Because the mirror is a reflection no matter what is in front of the mirror we can see it because if the reflection it gives off at any certain time