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1% of air is carbon dioxide, fire and snow. (Yes or No)
No. 1% of air is carbon dioxide, water vapour.
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Air is not essential for respiration. (Yes or No)
No. Air is essential for respiration.
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Living organisms need air to breathe. (Yes or No)
Yes.
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Carbon dioxide is used by plants to produce food. (Yes or No)
Yes.
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Fire does not need air to burn. (Yes or No)
No. Fire needs air to burn.
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How many components of air are there?
There are 3 components of air.
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78% of air is oxygen. (Yes or No)
No. 78% of air is nitrogen.
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Oxygen accounts for 25% of air. (Yes or No)
No. 21% of air is oxygen.
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Glasses need air to breathe. (Yes or No)
No
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Air is not essential for our lives. (Yes or No)
No. Air is essential for our lives.
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Very important = essential (Yes or No)
Yes.
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