Answer:
What grade for this is it
Answer:
The lens
It helps to focus on objects and light
Answer:
The chlorine from the chlorofluorocarbons reacts with free molecules of oxygen causing a stop in ozone production. ... Free oxygen atoms can replace the chlorine in chlorine monoxide, releasing a free atom of chlorine which can then recombine with an oxygen atom in ozone, destroying more ozone.
Answer D because humans can effect the way of life in an ecosystem and things like climate can effect them too
I do beleive that the answer is c
