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MBD -HARYANA BOARD-OUR NATURAL RESOURCES-Example
- How is our atmosphere different from the atmospheres on Venus and Mars...
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- How does the atmosphere act as a blanket?
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- What causes winds?
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- How are clouds formed?
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- List any three human activies that you think lead to air pollution.
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- Why do organisms need water ?
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- What is the major source of fresh water in the city/town/village where...
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- Do you know of any activity which may be polluting this water source?
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- How is soil formed?
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- What is soil erosion?
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- What are the methods of preventing or reducing soil erosion?
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- What are the different states in which water is found during the water...
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- Name two biological important compounds that contain both oxygen and n...
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- List any three human activities which would lead to an increase in CO2...
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- What is greenhouse effect ?
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- What are the two forms of oxygen found in the atmosphere?
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- Why is the atmosphere essential for life?
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- Why is water essential for life?
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- How are living organisms dependent on the soil ? Are organisms that li...
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- You have seen weather reports on television and in newspapers. How do ...
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