If you fail, never give up because FAIL means 'First Attempt In Learning'.— A. P. J. Abdul Kalam

Environment and Ecosystem — quick quiz

5 real REET questions on Environment and Ecosystem. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 3

MEDIUM

A factory near a river releases untreated chemical waste into the water. After a few months, many fish in the river die and the water develops a foul smell. Which type of pollution is primarily responsible for this situation?