Complete the second sentence so that it has similar meaning to the first sentence

Complete the second sentence so that it has similar meaning to the first sentence.
1>The soil is poisoned because,farmers use too many pesticides and herbicides.
-If....................................................................................................................................
2>I can't help you unless you tell me what's wrong.
-If.....................................................................................................................
3>Many people have stomachache due to the contaminnated food.
-The food.........................................................................................................................
4>Stop swimming in that lake,or you will have skin rashes.
-If.......................................................................................................................
5>John lives in the area allected by air pollution, so he has breathing problem.
-Because.........................................................................................................................
6>We use eco-friendly products and we can protect the environment.
-if we.................................................................................................................
7>I think you should volunteer to clean the beach.
-If I were..........................................................................................................................
8>The air is polluted,so there are breathing problems(leads)
9>Their children have birth defects because the parents were exposed to radiotion(so)