Which of the following is not a constituent of DDT?
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An average human being requires nearly 12-15 times more air than the food
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What is the full form of DDT?
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Identify the degradable pollutant from the following
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A substance, which causes pollution, is known as which of the following?
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In which year the "project tiger" is launched in India?
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Which of the following is necessary for photosynthesis?
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Which of the following energy is stored in the earth?
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Which of the following device is used to measure the atmospheric humidity?
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The salinization can be defined as
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Which of the following is the main reason for producing the atmospheric greenhouse effect?
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Animals whose primary source of food is based on plants are known as
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