Question

WHAT IS THE FUNCTION OF DIFFERENT LAYERS OF ATMONPHERE

Answer 1

Answer:

Layers of atmosphere  

Distance from earth(approximate)

Basic function

(i) Troposphere

0 to 10 kilometers

The troposphere contains most of the air and oxygen in the atmosphere. This air is fit for respiration and survival of living organisms. Weather conditions are formed in troposphere.

(ii) Stratosphere

10 to 50 kilometers

The stratosphere contains the ozone layer which prevents the harmful effects of the sun (U.V. rays) from reaching the earth.

(iii) Mesosphere

50 to 80 kilometers

The mesosphere is a very cold layer and most meteors burn up in this layer and hence are prevented from entering the earths atmosphere.

(iv) Thermosphere            

80 to 320 kilometers

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Answer 2

Troposphere - It is the layer just above the earth’s surface whose distance is between 0 - 10km. It contains most of the air and oxygen which is essential for all living organisms. This air is used for respiration and other functions for the survival of human beings. It also forms the weather conditions of the earth.

Stratosphere - The layer above the troposphere at a distance between 10 - 50km above the earth’s surface. It consists of the ozone layer which protects the earth from ultraviolet rays of the sun.

Mesosphere - The layer above stratosphere at a distance between 50 - 80km above the earth’s surface. This layer is very cold and burns most of the meteors preventing them from reaching the earth’s surface.

Thermosphere - The layer above the mesosphere at a distance between 80 - 320km above the earth’s surface

Explanation:

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