2. Fill up the blanks : (i) The ozone layer shields the earth from____ radiation. (ii) Ozone hole first
detected over the_____ (iii) Nitrogen is not a_____ gas. (iv)____ is a branch of physical science.
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the year again when we all pledge to change the year again when we all pledge to change the year again when we all pledge to change the year again when we all pledge to change the year again when
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Effects on Human Health
Ozone layer depletion increases the amount of UVB that reaches the Earth’s surface. Laboratory and epidemiological studies demonstrate that UVB causes non-melanoma skin cancer and plays a major role in malignant melanoma development. In addition, UVB has been linked to the development of cataracts, a clouding of the eye’s lens.
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