ai trả lời nhanh đầy đủ 5 sao

`1.` T

- D/C : One main cause of this issue is waste water coming from many factories and then being directly pulled out into water bodies.

`2.` T

- D/C :.. because this is the most convenient way of disposing waste water.

`3.` F

- D/C : Sulphur, which is harmful for marine life.

`4.` F

`5.` T

- nêu rõ việc người dân thường xuyên xả rác, chất thải bừa bãi xuống nguồn nước