Question

Composition of the atmosphere;

Answer 1

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Composition of the atmosphere;

• The atmosphere is comprised of several gases,dust particles and water vapour.

• The presence of oxygen becomes insignificant at the height of 120km from the surface of the earth with respect to the composition of the atmosphere.

• Water vapour and Carbon dioxide occur only up to 90 km.

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Answer 2

Hey mate...

Here's ur ans

Composition of atmosphere

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Nitrogen accounts for 78% of the atmosphere,

oxygen 21%

and argon 0.9%.

Gases like carbon dioxide, nitrous oxides, methane, and ozone are trace gases that account for about a tenth of one percent of the atmosphere.

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