Identify the dofferent uses for which air is blown :
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Air – Important and Different Uses of Air
Air is a mixture of gases like oxygen, nitrogen and carbon dioxide in higher proportions and much smaller levels of argon, water vapor, and other gases. Living things live and breathe in the clear gas. It has an indefinite shape and volume. It has no color or smell. Air is a matter so it has mass and weight. The weight of air creates atmospheric pressure. The Components of air are 78% nitrogen, 21% oxygen, 0.9% argon, 0.04% carbon dioxide, and very small amounts of other gases and water vapor. In aerobic respiration, animals need to breathe the oxygen in the air. In breathing, we inhale oxygen which reaches the lungs and from lungs blood capillaries absorb oxygen and carbon dioxide is breathed out into the air. Plants need carbon dioxide for photosynthesis.
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