6. We are facing severe environmental pollution despite the fact that many world organizations are working hard to reduce it.
A. heavy
B. destructive
C. harmful
D. serious
7. Water pollution is a result of dumping pollutants such as detergents, pesticides, oil, and other chemicals in rivers, which makes the water unclean.
A. substances
B. stuffs
C. contaminants
D. wastes
8. Stop the degradation of the planet's natural environment and build a future in which humans live in harmony with nature.
A. coexist peacefully with
B. fall in love with
C. agree with
D. cooperate with
9. WWF was set up in 1961 and had its operations in areas such as the preservation of biological diversity.
A. difference
B. abundance
C. variety
D. plenty
10. The seashore was much polluted because of the amount of waste left there. All this rubbish is killing fish and other marine life.
A. sea plants
B. sea mammals
C. water life
D. sea creatures