Question

what are the major constibuted of air .give the signifance also​

Answer 1

Explanation:

By volume, dry air contains 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.04% carbon dioxide, and small amounts of other gases. Air also contains a variable amount of water vapor, on average around 1% at sea level, and 0.4% over the entire atmosphere.

Answer 2

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Եհҽ ตαյօɾ cօղsԵíմҽղԵs օբ αíɾ αɾҽ.ղíԵɾօցҽղ [78%],օxվցҽղ [21%] l,cαɾճօղ ժíxմօժҽ ,աαԵҽɾ ѵαթօմɾ αղժ օԵհҽɾ ցαsҽs[1%]

{☘}nitrogen is needed by green plants to make proteins .these protein used by plant growth.as well for the growth oh human begin and animal.

{☘}oxygen is ncessary fir breathing and it the support burning also oxygen gas that we breath in gets combine with food and gives energy to various activites

{☘}carbon dixiode green plants make their food with the of carbon dixiode gas present air .carbon dixiode gas is also used in fire extinguhers

{☘}water vapour are import for water cycle .this is because water vapour in the air rises and condenses to from clouds and from clouds and then bring rain on the earth

$\huge \mathfrak \red{hope \: its \: helpful⛄}$