1. Many rivers and lakes are poisoned because factories produce waste and pour it into rivers and lakes.

2. The polluted environment makes birds leave their habitats and plants die.

3.  Plastic bags are a major source of waste so we should not throw plastic bags everywhere.

4. ( câu này bị lỗi mình k làm đc sr :< )

7. Because my room is untidy, my mother is unhappy.

Chúc bạn học tốt :3

# Yumi

$1$. Because Factories produce waste and pour it into rivers and lakes, Many rivers and lakes are poisoned

$2$. The polluted environment makes birds leave their habitats and plants die

$3$. Plastic bags are a major source of waste so We should not throw plastic bags everywhere

$7$. Because My room is untidy my mother is unhappy

@`text{Rinne}`

#`text{Sếu}`