Question: What is denitrification?
I. It prevents the discharge of nitrates in soil, and stops ground water pollution with nutrients. II. In this solids are separated from the liquid III. In this sewage goes through many chambers and chemical processes which reduce its toxicity.
Options:
A) I & II
B) Only I
C) II & III
D) All the above
Show Answer
Answer:
Correct Answer: B
BETA
