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VGS PUBLICATION-BRILLIANT-BIO GEOCHEMICAL CYCLES-EXERCISE
- Write an essay explaining the importance of Ozone layer.
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- 'Burning of fossil fuels a concern for scientists and environmentalist...
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- Prepare slogans on green house effect and read them out in the school ...
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- 'Co(2) play a vital role in plant life process'' - comment?
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- How human activities caused an imbalance in biogeochemical cycles?
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- List three ways we, as humans, have affected the water cycle.
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- Prepare an article for newspaper on the item ''How human activities ef...
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- What is bio-geochemical cycle?
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- What are the differences between oxygen and ozone ?
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- How mach percentage of water on the earth is present in the ocean?
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- Name few green house gases?
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- What is denitrification?
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- What is nitrification?
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- Name the three main processes by which oxygen is lost from the atmosph...
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- Why are root nodules useful for plants?
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- What is acid rain? How is it formed?
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- Give the names of a few organisms that help in nitrogen fixation.
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- List any three activities which would lead to an increase in the carbo...
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- Name few recently originated problems of environment.
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- What would happen if all oxygen present in the environment is converte...
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