Environmental IssuesHard
Question
Sewage water turns black due to action of
Options
A.H2 S
B.NH3
C.CH4
D.CO2
More Environmental Issues Questions
Environmental Protection act was passed in...Given bellow the following statements about catalytic converter (a) It has expensive metals like platinum-pelladium and ...Which of the following air pollutant is carcinogenic...Air pollution effects are usually found on...Minimata disease is caused by...