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(a) ozone prevents harmful UV rays from reaching the earths surface which can cause diseases like skin cancer.help please:
(a) why ozone is important in terms of human health? [2]
(b) write the reaction for the conversion ozone to oxygen by CFC?
(b) O3 + Cl* = O2 + Cl0*..................* refers to a dot (bigger in size than a full stop)
hope this helps