In the southern subregion of sub-saharan africa, which country is mainly covered by the kalaharidesert? a. zambiab. mozambiquec. botswanad. namibia

C. Botswana, is mainly covered by the Kalahari Desert.

Ithink it’s true as the answer.

Geothermic gradient is the rate of increasing temperature with respect to increasing the depth in the earths interior. away from tech tonic plates boundaries, it is about 25-40 c/km (72-87 degrees f/mi) of depth near the surface in most of the world.