What causes the depletion of the ozone layer? (If I could get a link, that would be great)
1 answer
https://www.google.com/search?source=hp&ei=3taBXKXCM4TIsAX_iKHQBQ&q=+depletion+of+the+ozone&btnK=Google+Search&oq=+depletion+of+the+ozone&gs_l=psy-ab.3..0l9.3555.3555..4246...0.0..0.94.94.1......0....2j1..gws-wiz.....0.p6dzHvRYPAg