Sorry, please do elaborate on what it is you are talking about, I am all but lost
Answer :A
“As a cold front moves into an area, the heavier (more dense) cool air pushes under the lighter (less dense) warm air, causing it to rise up into the troposphere. ... As the cold front passes, winds become gusty. There is a sudden drop in temperature, and also heavy rain, sometimes with hail, thunder, and lightning.”
7. B
8. D
9. A
Hope that helps out man!
~Ressedue~
__________
<span>C. deforestation caused soil exhaustion and erosion.</span>