Question

D TICK () THE ODD-ONE OUT GIVING REASON
1. Fertilizers, Pesticides, Oxides of sulphur, Domestic sewage
2. Acid rain, Marble structures, Aquatic life, Water cycle
3. Lead, Mercury, Sodium, Nitrates, Urea
4. Planting more trees, Construction of check dams, Water-harvesting, Excessive use of water for irrigation
5. Polluted water, Cholera, Dysentery, Gastroentritis, Potable water​

Answer 1

Answer:

1. Domestic Sewage;it cannot be used in agriculture in any way.

2. Water cycle;it is not affected by acid rain.

3. Urea;this is not a metal.

4. Excessive use of water for irrigation;it decreases the level of water.

5. Potable water;it is safe to drink and. does not spread any communicable disease.

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