1. Many rivers and lakes are poisoned because factories produce waste and pour it into them.
2. Because of the polluted environment, birds leave their habitats and plants die.
3. Plastic bags are a major source of waste, so we shouldn't throw them everywhere.
4. The food is contaminated, which results in people's health.
5. Due to fumes released from factories, the air people breathe gets polluted.
6. Light pollution may result from the overuse of electric lights in cities.
7. Due to the dangerous acid rain, trees' leaves are damaged.
8. If you read the test carefully, you won't make mistakes.
9. If you give me five minutes, I will be there.
10. If you listen to the teacher carefully, you will understand the lesson.
