Question

Describe one negative and one positive effect that human activities had on the orzone layer

Answer 1

Negative

Human activities cause the emission of halogen source gases that contain chlorine and bromine atoms. These emissions into the atmosphere ultimately lead to stratospheric ozone depletion.

Positive

Stratospheric ozone is “good” because it protects living things from ultraviolet radiation from the sun.

Answer 2

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Describe one negative and one positive effect that human activities had on the orzone layer

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࿐Ozone layer depletion causes increased UV radiation levels at the Earth's surface, which is damaging to human health. Negative effects include increases in certain types of skin cancers, eye cataracts and immune deficiency disorders.

Human activities cause the emission of halogen source gases that contain chlorine and bromine atoms. These emissions into the atmosphere ultimately lead to stratospheric ozone depletion. ... Because of these uses, halons are often directly released into the atmosphere.᭄

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