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Environmental Issues

Question
CBSEENBI12001511

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.

Solution
Salination, Desert, Non-biodegradable, Bio-magnification, Parthenium, Chlorofluorocarbons