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Pollution of Air and Water
Describe the ‘Green House Effect’ in your own words.
Green house effect is the process by which the heat energy of the sun is trapped inside the earth's atmosphere just like a green house. When the rays of sun reaches the earth, some of the heat is absorbed by the earth and rest of it is reflected back by the earth. Some of the heat is trapped by the environment of the earth. Carbon dioxide gas is mainly responsible for trapping the heat. This causes warming of the environment, which is necessary for the sustaining life. This trapping of the heat is called green house effect.
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Clear, transparent water is always fit for drinking. Comment.
You are a member of the municipal body of your town.
Make a list of measures that would help your town to ensure the supply of clean water to all its residents.
Explain the differences between pure air and polluted air.
Explain circumstances leading to acid rain. How does acid rain affect us?
Which of the following is not a greenhouse gas?
Describe the ‘Green House Effect’ in your own words.
Prepare a brief speech on global warming. You have to deliver the speech in your class.
Describe the threat to the beauty of the Taj Mahal.
Why does the increased level of nutrients in the water affect the survival of aquatic organisms?
What are the main causes of smoke?
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