Question

OR (b) Explain any four causes of air pollution. /7037 2021​

Answer 1

Answer:

_____________ helps in adding students or student groups and previewing the statistic of their performance in the typing lesson.

Answer 2

Answer:

1) burning of garbage wastes (plastic).

2) burning of fossil fuels/burning of trees.

3) burning of vehicle fuels like petrol, diesel.

4) agricultural activities, industrial activities, construction activities.