Question

draw a neat diagram that shows different layers of atmosphere​

Answer 1

Answer:

The different layers of the atmosphere. The atmosphere can be divided into layers based on its temperature, as shown in the figure below. These layers are the troposphere, the stratosphere, the mesosphere and the thermosphere. A further region, beginning about 500 km above the Earth's surface, is called the exosphere.

Explanation:

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Answer 2

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➜ A neat diagram that shows different layers of aatmosphere is attached:

Explanation:

☞Layers of Atmosphere:

1. Troposphere:

It is the lowest layer of atmosphere in which living organisms exist. It is the region of strong air movement and cloud formation. In this region temperature decreases with increasing altitude until at tropopause (i0-12 km). The air in troposphere consists volume of about 78% N2, 21% O2, 1% argon (Ar), and 0.03% CO2.

2. Stratosphere:

The layer above troposphere is known as Stratosphere, which is about 50 km from the surface of the earth. This layer is characterized by increasing temperature. Near the top of this layer is the region where the ultraviolet solar radiation is absorbed by ozone. This region is known as Ozonosphere. Ozone is formed from oxygen through a photochemical reaction where oxygen molecule splits to form atomic oxygen.

O2 + (hv = radiation) → 20

O2 + О → O3

3. Mesosphere:

This layer is above Stratosphere in which there is cold temperature and low atmospheric pressure. The temperature drops reaching a minimum of – 95°C at 80 – 90 kms above the earth’s surface. The zone is called Mesopause.

4. Thermosphere:

The layer above mesosphere is thermosphere which extends up to 500kms above the earth’s surface. It is characterised by increase in temperature from the mesosphere. The upper zone of thermosphere where the molecules are in ionized form is called Ionosphere.

5. Exosphere:

Atmosphere above the ionosphere is called exosphere. It extends up to 32190 kms from the surface of the earth. It has very high temperature due to radiations of Sun.