World Geography
Which among the following statements is/are correct about Dust particles in the Earth’s atmosphere?Higher concentration of dust particles is found in equatorial and polar regionsThey are generally found in the lower layers of the atmosphereSelect the correct code from the options given below:

Neither 1 & 2
Both 1 & 2
Only 1
Only 2

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World Geography
Which among the following statements is/are correct about the constituents of the atmosphere?Higher concentration of dust particles is found in the sub tropical and temperate regions.Amount of water vapour decrease with altitudeSelect the correct code from the options given below:

Neither 1 & 2
Only 2
Both 1 & 2
Only 1

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World Geography
Which among the following statements is/are correct about the Thermosphere?It lies upto an altitude of 80 km from the earth’s surface.It contains electrically charged particles known as ions.The temperature here starts increasing with heights.The International Space Station and other satellites orbit in this layer.Select the correct code from the options given below:

Only 2, 3 & 4
1, 2, 3 & 4
Only 1, 3 & 4
Only 3 & 4

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World Geography
Which among the following statements is/are correct about latitudinal heat balance?The amount of insolation received varies from latitude to latitude.Regions within the equator and 40° N and S latitudes are energy deficit regionsRegions beyond 40° N and S latitudes are energy surplus regionsSelect the correct code from the options given below:

Only 2 & 3
Only 1 & 3
Only 1
1, 2 & 3

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World Geography
Which winds are also known as Doctor winds?

Sirocco
Chinook
Harmattan
Loo

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