The answer is D.
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I believe it was a Longhouse
Answer: The Constitution gives the vice president the role of presiding over the Senate, and voting in the Senate if there is a tie. The vice president's only other formal responsibility is taking over the presidency if the president dies.
Explanation: The only duty the U.S. Constitution assigns the Vice President is to act as presiding officer of the Senate. But the Vice President also serves as ceremonial assistant to the President and is an important part of the President's administration.
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Because there are some things human minds can't explain . An that some things are better left alone.
Disease had the most impact as the result of Columbian exchange because due to this exchange deadly diseases spread across all over the world with the travel and migration of people.
Columbian exchange was as exchange of plants, animals, humans, culture, disease, technology and other things to the Africa, America and many other countries. The Columbian exchange had negative as well as positive impact on both the continents.
Impact on Europe:
This exchange benefited the old world with the introduction of "new world crops" such as corn and potatoes. This exchange had negative impact as well. The transmission of epidemics and African people into slavery were some of negative impacts of Columbian exchange.
Impact on America:
The technology helped in advancement in agriculture and food cultivation while the exchange of disease increased the mortality rate among the Americans.