Answer:
B. Protect us from harmful ultraviolet Radiation.
Explanation:
I did this in 6th grade. The ozone layer contains a high concentration of ozone, which absorbs most of the ultraviolet radiation reaching the earth from the sun.
The scientist that discovered cells by observing cork with a homemade microscope would be Robert Hooke.
Hey i think the answer is A
A:True. B:True. hope this helps
