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Environmental Issues

Question
CBSEENBI12047186
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Which of the following is not a Green-house gas?

  • N2O

  • CFC

  • O3

  • CO2

Solution

C.

O3

The gases responsible for Green-house effect are CO2, CH4, CFCs and N2O. The Green-house gases cause global warming. The CO2 is considered as most dominant factor responsible for Green- house effect.

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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” :

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