<span>Copernicus completely changed people's minds in the way they perceived the world and the planet in general. He shifted away Ptolemaic model of the heavens, and developed his own theory of the heliocentric model in which the Sun is placed at the center of the Solar System. As well as this person, most of the talented scientists of renaissance brought into people's life something new and, in some measure to those who was not prepared for big changes, shocking things.</span>
What are the answer choices my friend
<span>World War I became a global conflict for several reasons. One reason was that many countries around the war were involved in some way with the war. The alliance system helped spread the war quickly. The two main alliances during the war were the Allied Powers and the Central Powers. While the emphasis is given to the main powers in each alliance, there were smaller countries allied with each side.
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Answer:
a wide spread transfer of plants, animals, culture, human populations, technology, diseases, and ideas between the Americas and the Old World in the 15th and 16th centuries
