True because there are less plant life consuming the water from precipitation causing the desert-like conditions. Also less trees equals to less plants intaking carbon dioxide which causes the imbalance between the two.
I believe the answer is c, because you shouldn't give away imformation, especially if you don't recognize the companie. do some research and see if other people have experienced this. it could be a hack.
It is best to gradually lose weight, so that is false.