Answer:
Los humanos no estarían protegidos del calor extremo del sol, no habría forma de regular el calor y mantener fresca la tierra. El oxígeno no estaría en la atmósfera porque los árboles y las plantas no podrían sobrevivir.
Explanation:
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Early, late,high middle ages
Answer: A primary positive effect of the Columbian Exchange is increased food supply of both the Old World and the New World. Various crops such as wheat, barley, and rye, were introduced by Columbus and his followers.
Explanation:
Answer:
The UN does this by working to prevent conflict; helping parties in conflict make peace; peacekeeping; and creating the conditions to allow peace to hold and flourish. These activities often overlap and should reinforce one another, to be effective.
Explanation:
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