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Pollution of Air and Water

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108
Which gases are released from petroleum refineries?
By Priya123, 4 years ago
replies 1
0
1
108
What are the harmful effects of smog?
By Priya123, 4 years ago
replies 1
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1
102
Name the pollutants added by vehicles.
By Priya123, 4 years ago
replies 1
0
1
137
Name the pollutants which are added from natural sources.
By Priya123, 4 years ago
replies 1
0
1
130
What name is given to unwanted substances present in the air?
By Priya123, 4 years ago
replies 1
0
1
98
What is meant by air pollution?
By Priya123, 4 years ago
replies 1
0
1
94
Which of the following is not a greenhouse gas?
By Priya123, 4 years ago
replies 1
0
1
125
What is the full form of CFC?
By Priya123, 4 years ago
replies 1
0
1
111
Write two causes of soil pollution.
By Priya123, 4 years ago
replies 1
0
1
138
Let us construct a water filter with simple, everyday materials. Take a plastic bottle and...
By Priya123, 4 years ago
replies 1
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