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Multiple Choice Questions

Consider the following 1 Temperature decreases steadily with increase in height 2 Thickness of tropo...........

Geography and Environment World climates

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Consider the following:

1.Temperature decreases steadily with increase in height.

2.Thickness of troposphere is highest at equator and lowest at the poles.

3.Ionosphere layer is responsible for radio transmission on earth.

How many of the following statements is/are correct regarding structure of the atmosphere?

Only One

Only Two

All Three

None

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Explanation:

Statement 1 is incorrect : Temperature of air decline steadily in Troposphere ,which is the lowermost layer of atmosphere. After this,temperature remains constant for some height and then increases in the stratosphere.

Statement 2 is correct : Height of troposphere is more over equator due to string convectional currents.It is minimum at the poles.

Statement 3 is correct : Ionosphere contains electrically charged particles calld ions which reflect radio waves and thus make radio transmission possible on the earth.

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