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Desert is mainly located in the tropical West margins of the continents. What is/are the possible reason/s?
1) Existence of the perennial high pressure over this region.
2) Prevailing On-shore winds throughout the year.
3) Cold currents on the continental west margins add to the atmospheric stability of the region.
Choose the correct code from the following.

1 only.
1, 2 only.
1, 3 only.
2, 3 only.
Explanation:
Second statement: it is Off-shore winds and not On-shore winds the blows over this region.This winds carry no moisture thus causes no precipitation.Ex of cold currents: canaries current in the Atlantic East coast, West Australian current in theWest continental margins of Australia etc.
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