<span>When
valley inversion occurs especially on farming, settlement and industry, it will
cause air to become stiller and murky due to the dust particles suspended
within the layer and pollutants that are heavy enough to move. It will cause health
problems such as asthma, heart attack. Also, the people living in that are may
not see what is in front of them due to air becoming thicker.</span>
Answer:
Decrease R1400 in the ratio 7:3
I believe the answer you are looking for are basins, Basins have coal and gas deposits
So it can tell you what part of the world you are actually looking at
