Answer: C. They transport oxygen throughout the body.
It is the primary function of red blood cells.
Hope it helped!
Answer:
smog
Explanation:
Photochemical smog is a mixture of pollutants that are formed when nitrogen oxides and volatile organic compounds (VOCs) react to sunlight, creating a brown haze above cities.
C. It’s the most intelligent answer I’m stuck between that or B but I’m almost positive it’s c
