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The only answer that makes sense is D because a decrease in overall plants means a decrease in the plants that would be used in medications, this also decreases the biodiversity.
Louisiana, New Orleans, and from the MIssissippi River to the Rocky Mountains.
Nativism and Immigration Restriction. Anti-immigrant sentiment had been prevalent in the United States since at least the 1840s. It had many sources. Nativists played on fears of violence and of the diversity of thought, belief, and custom represented by European radicalism and religion.
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Answer:
fertile soil flooding
Explanation:
Most ancient civilizations developed alongside rivers. The main reason why is that these rivers periodically flooded the sorrounding areas, making the soil more fertile. This physical phenomenon allowed the cultivation of more and better crops, which increased the wealth and complexity of the civilization.
Examples are: Ancient Egypt and the Nile, Ancient Mesopotamia and the Tigris and the Euphrates, and Ancient China and the Yellow River.