Gợi ý: How the ocean is polluted? Firstly: raw sewage is pumped directly into the sea. Secondly: garbage isdropped into the sea. Thirdly: oil spills come from ships at sea. Next: waste materials come from factories. Finally: oil is washed from the land.
Trang 1Gợi ý:
How the ocean is polluted?
Firstly: raw sewage is pumped directly into the sea
Secondly: garbage isdropped into the sea.
Thirdly: oil spills come from ships at sea.
Next: waste materials come from factories.
Finally: oil is washed from the land.