Air around us

Composition Of Air In Atmosphere

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Composition Of Air In Atmosphere A thick blanket of air, called the atmosphere, surrounds our Earth. Air is also present in things which seem to be empty. It contains mainly nitrogen, and oxygen. It also contains carbon dioxide, noble gases, water vapour, dust particles, and traces of other gases. The composition of air is shown in … Read more

How Air Supports Life In Plants And Animals

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Air Supports Life In Plants And Animals We all need air to survive. Air contains oxygen and carbon dioxide useful to plants and animals. Plants use carbon dioxide of the air to make their own food by a process called photosynthesis. Let us see how air supports life in plants and animals. In Plants Plants … Read more