Question

which is the least component present in air​

Answer 1

air consist of various gases.the least component in the air is helium which is listed in other air components (1%) .

Answer 2

The least component present in the air ​is carbon dioxide

• The composition of air is not constant and varies from place to place. For example, polluted areas have a high percentage of carbon dioxide because they emit so much carbon dioxide. The main constituents of air are:

• Oxygen: Oxygen is one of the main constituents of the air that surrounds us. Air is composed of approximately 21% oxygen.

• Nitrogen: Nitrogen makes up about 78% of the Earth's atmosphere and is the most abundant gas on Earth.

• Carbon Dioxide: Carbon dioxide is a trace gas with a concentration of just under 0.04%. Gases that exist in trace amounts in the atmosphere are called trace gases.

• Smoke and Dust Particles: Smoke is produced in the atmosphere by burning fuel. Smoke and dust particles make up less than 1% of the Earth's atmosphere.

• Inert gases: The proportion of inert gases in the atmosphere is 0.96%, making argon the most abundant inert gas in the atmosphere.

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