Question

Which type of pollution these are

Answer 1

a) Removal of trees causes a variety sources of pollution:  

Increased erosion due to disturbance of the ground cover.  

Disruption of the top soil.  

Machines for harvesting, pulling wood to the transportation points, produces air pollution from exhaust emissions.  

Leaking oils, fuels can cause water and soil pollution.  

Burning fossil fuels and timber debris left at the harvest site increases the production of carbon dioxide levels.

b) land pollution

Answer 2

Deforestation and soil erosion