Q21
What is the biggest source of pollution in the world?
A.
Sewage and Garbage
AnswerB.
Automobile Laxity
C.
Herbicide and Insecticide
D.
Industrial Tributaries
Answer: Option A
Solution
Answer: Option A
Solution:
Environmental pollution is currently the biggest challenge facing the word today. Due to increase in population worid wide the untreated sewage discharge in lakes & rivers has increased. Even the garbage has increased manifold on daily basis. This was assessed during World Water Week by United Nation Environment Programme.