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Air

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    Air
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  • Air is not important to our lives. (Yes or No)
    No. Air is important to our lives.
  •  25
  • Animals need air to breathe. (Yes or No)
    Yes.
  •  25
  • Fire does not need air to burn. (Yes or No)
    No. Fire needs air to burn.
  •  25
  • Air is not essential for respiration. (Yes or No)
    No. Air is essential for respiration.
  •  25
  • Very important = essential (Yes or No)
    Yes.
  •  25
  • Glasses need air to breathe. (Yes or No)
    No
  •  15
  • How many components of air are there?
    There are 3 components of air.
  •  20
  • 79% of air is oxygen. (Yes or No)
    No. 79% of air is nitrogen.
  •  25
  • 1% of air contains carbon dioxide, fire and snow. (Yes or No)
    No. 1% of air contains carbon dioxide, argon and water vapour.
  •  25
  • Oxygen accounts for 25% of air. (Yes or No)
    No. 20% of air is oxygen.
  •  25
  • Carbon dioxide is used by plants to produce food. (Yes or No)
    Yes.
  •  25
  • Human need nitrogen in the air to live. (Yes or No)
    No. Human need oxygen in the air to live.
  •  25
  • The three components of air are:
    Nitrogen, Oxygen and other gases
  •  25
  • Plants don't need air to live. (Yes or No)
    No. Plants need air to live
  •  25