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What is the cause of depletion of oxygen in water?
Excess growth and decay of algae serves as food for the microorganisms. This leads to excessive growth of microorganism and use of oxygen by them. Thus, causing depletion of oxygen.
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?
Which problem arises by air pollution?
What is pollution?
What is air pollution?
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Mock Test Series
