Which of the following is a recently originat | vedclass

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(C) Environmental problems like $Ozone$ layer depletion,$Greenhouse$ effect,and $Global$ warming are all significant issues that have gained prominenc

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All of these

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(C) Environmental problems like $Ozone$ layer depletion,$Greenhouse$ effect,and $Global$ warming are all significant issues that have gained prominence due to human activities in the recent past. $1$. $Ozone$ layer depletion is caused by the release of $CFCs$ (chlorofluorocarbons). $2$. $Greenhouse$ effect is the trapping of heat by gases like $CO_2$ and $CH_4$. $3$. $Global$ warming is the gradual increase in the Earth's average temperature. Since all these phenomena are contemporary environmental concerns,the correct option is $C$.

Which of the following is a recently originated problem of environment?

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