Composition Of Air In AtmosphereA 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…

Air Supports Life In Plants And AnimalsWe 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 su…