Question

Name the layers of the atmosphere with the help of a diagram. Write the characteristics of Troposphere.



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Answer 1

Answer:

• the troposphere is the layer closest to the earth. this extends upto the height of about 16 km at the equator and 8 km at the poles.
• it contains a mixture of various gases in the different properties, the troposphere is the layer in which all life forms thrive.
• all weather and climate changes such as fog, rainfall, lightning,cloud formation, snowfall,thunder,stroms,and so on, also take place in this layer.
• the troposphere is the densest layer of the atmosphere in which 75% of atmospheric mass is concentrated and the air pressure drops with increasing altitude. the temperature in this layer drops uniformly at the rate of 1°C for every 165 m of altitude which is known as the normal lapse rate.
• the layer absorbs the maximum amount of heat radiated from the surface of the earth and keeps the earth warm at night.
• the tropopause acts as the boundary, separating the troposphere from the stratosphere wherein the temperature stops decreasing

Answer 2

The atmosphere is comprised of layers based on temperature. These layers are the troposphere, stratosphere, mesosphere and thermosphere. A further region at about 500 km above the Earth's surface is called the exosphere .

Characteristics of troposphere .

• it is the first atmospheric layer closet to Earth's surface.
• the troposphere is the region where weather occurs.
• the temperature of troposphere decreases with an increase in height.
• the troposphere makes up approximately 75% of Earth's atmosphere by mass.

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