Forest fire produces a lot of air pollution. Write in brief about the reasons of forest fires.

Some reasons of forest fires are :

(i) At high temperature, sometimes dry grass catches fire which spreads throughout the forest.

(ii) Campfire may also be a reason.

(iii) Due to the spark of lightning from the sky.

(iv) The use of fires by villagers to ward off wild animals.

(v) Fire lit intentionally by people living around forests for recreation.

(vi) Fires can be started accidentally by careless visitors to forests. When they throw away lighted cigarettes in the forest.

(vii) The friction of bamboos due to high wind velocity and rolling stones.