World Geography
The Penumbra is

None of these
the outer portion of the moon's shadow
formed by the tangent that intersects between the sun and the moon
both (a) and (b)

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World Geography
Which among the following statements is/are correct about Density of ocean water?Salinity is inversely related to seawater density.Seawater density decreases with increasing salinity and vice versa.Select the correct code from the options given below:

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

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World Geography
Which among the following statements is/are correct about the Gravity Model of Migration?According to the gravity model, the migration between two places is inversely proportional to the product of the population of the two centres.The gravity model implies that the capacity of an area to attract migrants depends upon the size of its population or its economic potential.Select 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 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
Both 1 & 2
Only 1
Only 2

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