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Primary aging
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<span>The Columbian Exchange refers to a period of cultural and biological exchanges between the New and Old Worlds. Exchanges of plants, animals, diseases and technology transformed European and Native American ways of life. Beginning after Columbus' discovery in 1492 the exchange lasted throughout the years of expansion and discovery. The Columbian Exchange impacted the social and cultural makeup of both sides of the Atlantic. Advancements in agricultural production, evolution of warfare, increased mortality rates and education are a few examples of the effect of the Columbian Exchange on both Europeans and Native Americans</span>
If you describe something as intolerable, you mean that it is so bad or extreme that no one can bear it or tolerate it.
Answer: Former president <u>Jimmy Carter </u>is a professor at Emory University in Georgia and a leading advocate for Habitat for Humanity.
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Answer: The Cascade Range
