Question : Fill in the blanks-
__________ degrades the quality of water and death of several animals which are threat to human life.
Option 1: Water pollution
Option 2: Air pollution
Option 3: Sustainable development
Option 4: None of the above
Correct Answer:
Water pollution
Solution :
Water pollution degrades the quality of water and death of several animals which are threat to human life.
Hence Option A is correct.