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A or C.... Hope that helps!!!
The Yellowstone Act of 1872 designated the region as a public “pleasuring-ground,” which would be preserved “from injury or spoilation, of all timber, mineral deposits, natural curiosities, or wonders within.” For a nation bent on settling and exploiting the West, the creation of Yellowstone was surprising.
Explosion and lava need to be observed best i can do tell me if this helped
Skull fossils found by the Leakeys advanced our understanding of human evolution. ... Origins of Humankind.......Mary Leakey's discovery of early human ...
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