What conclusions can be drawn based on t...

What conclusions can be drawn based on the following diagrams?

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(a) Air occupies space.
(b) One fifth of air contains oxygen, oxygen supports burning.
(c) Air contains water vapour.

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Why do earthworms come out of soil in rainy season?
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What conclusions can be drawn based on the following diagrams?
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Observe the figure given below and answer the following questions. ...
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Differentiate between (a) Respiration and Combustion.
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Mention the essential requirements for rusting of iron.
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What is acid rain?
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What are the effects of oxides of oxides of sulphur and nitrogen on th...
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Why are industrial areas prone to acid rain?
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During an incident of fire , one is advised to wrap a woolen blanket o...
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Prove that 'Air contains dust and smoke' .
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How balance of oxygen and carbon dioxide in the atmosphere is maintain...
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How will you show that air is essential for burning ?
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