VII 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. contaminate press pollute die dangerous