Answer
Hydrothermal
Geothermal
North Africa has vast oil and natural gas deposits, the Sahara holds the most strategic nuclear ore, and resources such as coltan, gold, and copper, among many others, are abundant on the continent. The region is full of promise and untapped riches - from oil and minerals...
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B. would be the correct answer
<span>according to the nebular theory the planets formed from a process called </span>accretion.
