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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Avalanches, streams, or mudslides
Answer:
For Instance, a functional region has a focal point (often a city) and is the organized space surrounding that central location. Examples would be a metropolitan area, such as greater New York City, Chicago, Los Angeles, or the San Francisco Bay Area. otherwise known as Vernacular Region.
