2.Due to it had been raining heavily, all the roads were flooded.
3.Because Jimmy ate a lot of fast foods, he put on 10 kilograms within just two months.
4.I repeatedly left on the lights I was not using, so my father got upset.
5.Due to the contaminated drinking water, the outbreak of cholera caused in the village.
6.Human activity resulted in many forms of pollution on earth.
II.
1.If farmers didn't use too many pesticides and herbicides, the soil wouldn't be poisoned.
2.If you tell me what's wrong, I can help you.
3.If food weren't contaminated, many people wouldn't have stomachache.
4.If you don't stop swimming in that lake, you will have skin rashes.
5.If John didn't live in the area affected by air pollution, he wouldn't have breathing problem.