The threat from acid deposition has been steadily increasing in the 21st century because of the increase in the number of industries during this period. The acid particles get trapped in the atmosphere and falls as raid on earth. These acid particles are increasing with the booming of the industrial sector.
I believe it is a landform.
Answer:
history influences geography; but geography has no historical influence
Explanation:
This is because History definitively effects Geography because what people do in the past. And Geography effects history. Take the great flood for example, that is the largest flooded recorded in Oregon, Nevada, and California.
Believe it to be Chines, Persian, and Roman but I would wait for another answer to be sure. I will check my notes also.