Ozone Layer Depletion and Its Effects Human act .... by CFCs (pp. 44-45). A second hole has since been discovered over the North Pole (Lyman, 1990, p. 13). Americans must realize the .... (1624 6 )
The Ozone Hole .... The Arctic cavity is centered over Spitsbergen, Norway, 700 miles from the North Pole, where there is a high-pressure zone over Alaska. .... Lyman, Francesca. .... (2747 11 )
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