Which of the following is an environmental pr | vedclass

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(B) An environmental problem refers to the harmful effects of human activity on the biophysical environment. $A$. The combination of a free oxygen ato

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Depletion of ozone layer

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(B) An environmental problem refers to the harmful effects of human activity on the biophysical environment. $A$. The combination of a free oxygen atom with an oxygen molecule $(O + O_2 \rightarrow O_3)$ is a natural chemical process that forms ozone. $B$. The depletion of the ozone layer is a significant environmental problem caused by the release of chlorofluorocarbons $(CFCs)$ and other pollutants,which leads to increased $UV$ radiation reaching the Earth's surface. $C$. Water accumulation is generally a physical phenomenon,not an environmental problem in this context. $D$. Starvation is a socio-economic issue rather than a direct environmental problem. Therefore,the correct option is $B$.

Which of the following is an environmental problem?

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