Five hundred twenty million, three hundred and forty thousand. hope it helps!
Answer:
C
Explanation:
They are stabil and full of valence electron.
The answer is D: Salt and Water
At the same time there is increased usage of chlorofluorocarbon [CFC].
CFC are halogenated compounds which have ability to destroy the ozone layer. When ultraviolet ray strike CFC in the atmosphere, it breaks the forces holding the molecule together and yield a chlorine atom. The chlorine atom then react with the ozone layer, breaking it apart and destroying it.<span />
