List any three human activities that you think would lead to air pollution.
Air pollution is the increase of harmful substances in the air like carbon dioxide, carbon monoxide, etc. it is caused due to the following reasons:
- Gaseous emissions from vehicles contain carbon dioxide and carbon monoxide which are highly toxic.
- The smoke released from factories and industries contains many toxic gases and compounds which are hazardous to the biological system and nature.
- In rural areas, firewood and cow dung cakes are burnt for cooking which also releases harmful pollutants into the air.