World Geography
The Harmattan is

All of these
wind that blows during the dry season from December to February
tertiary wind that carry great quantities of fine dust from the Sahara
cool, extremely dry wind that forms over the Sahara and blows westward or south-westward to the Af

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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:

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

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