Answer:
a
Explanation:
After Columbus’ arrival in the Americas, the animal, plant, and bacterial life of these two worlds began to mix. This process, first studied comprehensively by American historian Alfred Crosby, was called the Columbian Exchange. By reuniting formerly biologically distinct land masses, the Columbian Exchange had dramatic and lasting effects on the world. New diseases were introduced to American populations that had no prior experience of them. The results were devastating. These populations also were introduced to new weeds and pests, livestock, and pets. New food and fiber crops were introduced to Eurasia and Africa, improving diets and fomenting trade there. In addition, the Columbian Exchange vastly expanded the scope of production of some popular drugs, bringing the pleasures — and consequences — of coffee, sugar, and tobacco use to many millions of people. The results of this exchange recast the biology of both regions and altered the history of the world.
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Explaining the purpose and methods of a study are explained to subjectonce it's over is known as research methodology.
Research methodology is the way researchers describe how they intend to conduct research. It is a logical and systematic plan for solving research problems. Methodology describes a researcher's research approach to ensure reliable and valid results that are consistent with goals and objectives.
Research methodology gives validity to research and provides scientifically correct evidence. It also provides a detailed plan to keep researchers on track and make the process smooth, effective and manageable. Researcher methodology helps readers understand the approaches and methods used to reach conclusions.
Know more about research methodology here
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Answer: Civil liberties impose limits on the government's ability to interfere in our individual lives
Explanation:
Civil rights are there to ensure that people are treated equally in a country regardless of some of their characteristics such as race, gender or disability.
Civil liberties on the other hand are those basic freedoms that people should have in a country. In the U.S. that includes the Bill of Rights which protects things like: freedom of speech, freedom of assembly and the right to privacy.
Civil liberties therefore limit the government's ability to interfere in individual lives by guaranteeing the freedom of individuals to live a certain way.