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Option 1 states that hot deserts do not receive moisture-bearing wind from the oceans. This is partly true. Deserts are typically located far away from the coastlines, where the chances of moisture-bearing winds reaching them are significantly lower. However, it is not the only reason for the negligible amount of rainfall in deserts.
Option 2 mentions that deserts are the most rocky and barren areas of the Earth. While deserts are indeed characterized by their barrenness and lack of vegetation, it is not the main reason for the low rainfall. The lack of rainfall is primarily caused by other factors.
Option 3 correctly states that hot deserts are located on the tropical high-pressure belt of the atmosphere. This high-pressure belt prevents the uplift of moist air, which inhibits the formation of clouds and rainfall.
Option 4 suggests that hot deserts are not on the path of monsoons. This statement is correct. Monsoons are seasonal winds that bring heavy rainfall to certain regions. However, deserts are usually not located in the path of these monsoons, resulting in little to no rainfall.
In conclusion, option 3 is the correct explanation for why hot deserts like Sahara and Arabia receive a negligible amount of rainfall.