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Environmental Issues

Question

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How is air pollution responsible for changing the ill-effects of ultraviolet radiation ?

Solution

Air pollution is enhancing the ill-effects of UV radiation. Chlorofluorocarbons released in the air by refrigerators and air-conditioners are threatening and depleting the ozone layer of stratosphere. They react with the UV radiations which leads to the release of chlorine from the CFCs . This Cl acts as a catalyst and depletes ozone.

Some More Questions From Environmental Issues Chapter

Which of the atmospheric layer contains ozone layer ?

The amount of dissolved oxygen required by the microorganisms to degrade the organic wastes present in water is called ?

The cause of acid rain is :

Which one of the following causes ozone depletion ?

What disease is caused due to consumption of fishes captured from water contaminated with mercury ?

Which one of the following is not a green-house gas ?

Which gas contributes the maximum in global warming ?

Fill in the blanks with suitable words :
1. Increase in concentration of soluble salts in the soil is called.........

2. Aforestation can check the advancement of......... .

3. DDT is a serious pollutant as it is a.........pollutant and undergoes......... .

4 .........plant has become a troublesome weed in agricultural fields.

5 .........are major aerosol pollutant present in jet aircraft emission.

Write “True” or “False” :

Coin one word for the following statements :
Discarded computer parts like monitors, key boards, mouse etc.

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