Question

Explain the structure of atmosphere with a diagram​

Answer 1

Answer:

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The atmosphere has 4 layers: the troposphere that we live in near the surface of the earth; the stratosphere that houses the ozone layer; the mesosphere, a colder and lower density layer with about 0.1% of the atmosphere; and the thermosphere, the top layer, where the air is hot but very thin.

Answer 2

Answer:

Our atmosphere is composed of many components. But the structure of the atmosphere is a combination of various layers.There are five layers in the structure of the atmosphere depending upon temperature. These layers are:

Troposphere

Stratosphere

Mesosphere

Thermosphere

Exosphere

Troposphere:-

=>It is considered as the lowest layer of Earth’s atmosphere.

The troposphere starts at the surface of the earth and goes up to a height of 7 to 20 km.

All-weather occurs within this layer.

This layer has water vapor and mature particles.

Temperature decreases at the rate of 1 degree Celsius for every 165 m of height.

Tropopause separates Troposphere and stratosphere

Stratosphere:-

=>It is the second layer of the atmosphere found above the troposphere.

It extends up to 50 km of height.

This layer is very dry as it contains little water vapour.

This layer provides some advantages for flight because it is above stormy weather and has steady, strong, horizontal winds.

The ozone layer is found in this layer.

The ozone layer absorbs UV rays and safeguards earth from harmful radiation.

Stratopause separates Stratosphere and Mesosphere.

Mesosphere:-

The Mesosphere is found above the stratosphere.

It is the coldest of the atmospheric layers.

The mesosphere starts at 50 km above the surface of Earth and goes up to 85 km.

The temperature drops with altitude in this layer.

By 80 km it reaches -100 degrees Celsius.

Meteors burn up in this layer.

The upper limit is called Mesopause which separates Mesosphere and Thermosphere.

Thermosphere:-

This layer is found above Mesopause from 80 to 400 km.

Radio waves that are transmitted from the earth are reflected by this layer.

The temperature increases with height.

Aurora and satellites occur in this layer.

Ionosphere:-

The lower Thermosphere is called the Ionosphere.

The ionosphere consists of electrically charged particles known as ions.

This layer is defined as the layer of the atmosphere of Earth that is ionized by cosmic and solar radiation.

It is positioned between 80 and 400 km above the Mesopause.

Exosphere:-

It is the outermost layer of the atmosphere.

The zone where molecules and atoms escape into space is mentioned as the exosphere.

It extends from the top of the thermosphere up to 10,000 km.

Explanation:

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