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Air
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How many components of air are there?
There are 3 components of air.
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Oxygen accounts for 25% of air. (Yes or No)
No. 20% of air is oxygen.
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Air is not essential for respiration. (Yes or No)
No. Air is essential for respiration.
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Carbon dioxide is used by plants to produce food. (Yes or No)
Yes.
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1% of air contains carbon dioxide, fire and snow. (Yes or No)
No. 1% of air contains carbon dioxide, argon and water vapour.
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Very important = essential (Yes or No)
Yes.
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Animals need air to breathe. (Yes or No)
Yes.
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Plants don't need air to live. (Yes or No)
No. Plants need air to live
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The three components of air are:
Nitrogen, Oxygen and other gases
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Air is not important to our lives. (Yes or No)
No. Air is important to our lives.
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79% of air is oxygen. (Yes or No)
No. 79% of air is nitrogen.
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Fire does not need air to burn. (Yes or No)
No. Fire needs air to burn.
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Human need nitrogen in the air to live. (Yes or No)
No. Human need oxygen in the air to live.
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Glasses need air to breathe. (Yes or No)
No
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