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History Today: Native Americans and the Federal Government
Andrew Boxer traces the origins of a historical issue still as controversial and relevant today as in past centuries. At the start of the twentieth century there were approximately 250,000 Native Americans in the USA - just 0.3 per cent...
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Explore Learning: Natural Selection Gizmo
You are a bird hunting moths (both dark and light) that live on trees. As you capture the moths most easily visible against the tree surface, the moth populations change, illustrating the effects of natural selection. (Free usage is...