<span>the answer is physical boundary</span>
The sub-region of Africa that is home to the Kalahari Desert is the south. The desert is approximately 900,000 square kilometers. It covers parts of Botswana, Namibia, and South Africa. The correct answer is C.
Hydro=water therefore hydroelectric means to use water for power. WA & Oregon are closer to water than the great planes. the answer is yes.
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<u><em>If you have found a radiometric age for the surrounding layers of volcanic ash, you can say that the age of the intervening layer is halfway between those specific dates.</em></u>
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Answer: i think it comes from the arctic ocean and goes trough Russia and into Mongolia.
Explanation: