1/
1. Most people don't know where their waste plastic go.
2. What happens to rubbish in your area?
3. Noise pollution occurs because there are too many loud sounds in the environment.
4. Many animals eat the litter and become sick because people throw it on the ground.
5. People will be more aware of protecting the environment if there are more warnings about the danger of pollution.
2/
1. I couldn't sleep because there was a loud noise next to my door last night.
2. The tsunami made many people in this area homeless.
3. Many plants and trees died since the acid rain happened last month.
4. If there were no conflicts in that country, people would live more happily.
5. If this factory treated its waste well, there would be less water pollution.
