Answer:
The resource that accounts to be Botswana's 90% export earnings is "Diamonds." Diamond has many unequaled qualities and is very unique among minerals. It is the hardest known substance, it is the greatest conductor of heat.
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He could give each of his children a third of what stamps he owns. So then you would divide 45 by 3 to get how many each child would get.
As in 2009, there are approximately 20,000 cities or metropolitan areas in the United States.
Deforested landscapes with clay soils!! this is the answer word for word. rate if I helped please (: