The layers of earth's atmosphere.

Earth's atmosphere is composed of 78% of which gas.

• Carbon dioxide

• Nitrogen

• Argon

• Oxygen

The atmosphere is a (a)   of gases.

Answer explanation

Different gases like Nitrogen,oxygen, carbon dioxide and neon and argon in different concentrations are present together as mixture.

Tags

NGSS.MS-PS1-1

How many layers is the earth's atmosphere composed of?

• 5

• 8

• 6

• 2

Tags

NGSS.MS-ESS2-6

Select the list of earth's atmosphere in order of increasing altitude.

• Troposphere

  Stratosphere

  Mesosphere

  Thermosphere

  Exosphere

  Ionosphere

• Troposphere

  Mesosphere

  Stratosphere

  Thermosphere

  Exosphere

  Ionosphere

• Troposphere

  Stratosphere

  Mesosphere

  Exosphere

  Thermosphere

  Ionosphere

The closest layer of atmosphere on earth is called (a)   .

Which layer of the atmosphere contains ozone?

• Mesosphere

• Troposphere

• Stratosphere

• Exosphere

(a)   layer makes radio communications possible.

Tags

NGSS.HS-PS4-3

The pollutants that majorly destroy the protective ozone layer.

• Carbon dioxide

• Sulphur dioxide

• Chlorofluorocarbons

• Nitrogen oxide

Tags

NGSS.MS-PS1-3

Mark the layer of atmosphere in which meteors burn up in the image given below.

Some jet air planes fly in this lower region of this layer to avoid turbulence.

• Mesosphere

• Exosphere

• Troposphere

• Stratosphere

Tags

NGSS.MS-ESS2-5