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2 Cards in this Set
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2: Describe the process by which the ozone hole forms over Antarctica
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On the surfaces of polar stratospheric clouds, the products of CFCs are converted to molecular chlorine. When sunlight returns to the South Pole in spring, molecular chlorine is split into two chlorine atoms by ultraviolet radiation. The chlorine atoms rapidly destroy ozone which causes thin spot or ozone hole.
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3: List five harmful effects that UV radiation could have on plants or animals as a result of ozone thinning.
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1 kills phytoplankton and distrups the ocean food chain. 2 UV light damages amphibian eggs. 3 UV lights can damage plants by interfering with photosynthesis. 4 with less phytoplankton would increase in the amount of carbon dioxide. 5 The loss of phytoplankton could reduce fish harvests.
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