Why are deserts often only sparsely populated?
a. humans do not think deserts are attractive landscapes
b. a lack of rain makes it hard to grow crops or find sources of drinking water
c. the sand and rock of deserts make construction efforts difficult
d. deserts often do not have valuable natural resources like gold or oil

B. a lack of rain makes it hard to grow crops or find sources of drinking water

Explanation:

The deserts are the sparsely populated land and they are due to the deficiency of the rainfalls and the arid and dryness of the lands are a fact of this. The dryness is an attribute to the ruggedness of the lands and the variedness topography the climate of the ace is hot to humid and has warm and experiences extreme temperatures.

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