Q12 of 35 Page 128

If wild animals are killed, what difficulty would we face?

If wild animals are killed, food chain will be altered so, it will affect every other living thing, and their survival will also go in dander.

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10

An example for fossil fuel is _________ .

 11

Air pollution is caused by transport exhaust fumes and emission of gases like SO2, CO2, NO2 from industies. Similarly, water pollution is caused by ________ .

 13

Water is an essential commodity for survival. What can we do to help increase water resources?

 14

The tiger and the lion are carnivores. Likewise, the elephant and the bison are_____________.