Question

What is the main cause of air pollution in the region? burning of fossil fuels deep mining aquifers desertification increased salinization

Answer 1

the burning of fossil fuels puts out excess carbon, which is considered the largest cause of air pollution. 

Answer 2

Crusaders is 100% right I just want to tell you since he took the words right out my mouth and I didn't want it to seem like i was copying him so Im just telling you its right