1. In at least five sentences, discuss the benefits we derive from nano materials. 2. How will nano technology help in solving our environmental dilemma, express your answer in five or more sentences. 3. Explain in five or more sentences how CFC destroys the ozone layer. 4. In five or more sentences describe the Nitrogen Cycle. 5. In five or more sentences, explain how soil is formed. 6. Discuss in five or more sentences how acid rain affects the vegetation. 7. Describe the seven stages in Water Cycle. 8. Explain in at least five sentences the polarity of water. 9. Discuss the importance of Chemical Safety Guidelines in five or more sentences. 10. Why do we have to perform in fume hood when dealing with strong acids? Explain it in five or more sentences.

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A:

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A: Nitrogen can be added to the atmosphere by fertilizer run-off into streams.

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A: Please find the below attachment.

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A: Use molarity formula  Molarity= mole÷volume  Molarity of K2SO4= 4.7×10-4M

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A: Acid rain is acidic in nature and it is harmful for animals and plants.

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A: Answer -  Soil - Soil provides plants with foothold for their roots and holds the necessary…

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A:

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A: Soil is made up of very tiny particles.

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A: