Fill in the blank with the correct form of the given word.
1. Many people don’t know about the ................... of soil pollution.
2. The river is seriously ...................by the factory’s waste.
3. High blood ...................can be brought about by noise pollution.
4. The water color can show us how...................the river is.
5. A lot of ...................fish are floating on the surface of the lake.
dangerous
contaminate
press
pollute
die
Loga
Sinh Học lớp 12
