A should be the answer or D
Answer:
The answer to the first one is a. Harvey described the way the human body works in a way that made it seem less mysterious.
The answer to the second one is b. Newton was the first to show that nature is ruled by a set of laws that allow us to predict outcomes.
Explanation:
William Harvey was the 1st one to accurately find and explain the system of blood circulation inside the human body.
Prior to his findings, how the human body functions was a total mystery and many people believed in religious superstitions and miracles.
Sir Isaac Newton discovered the the idea of gravity, rules of motion, calculus and any more. He is regarded as one of the greatest physicists of all human history.
But his 3 laws of motion allowed to realize a lot of people that the nature works according to a set of natural laws and not because of the will of some deity or a god.
The statement which best describes John C. Calhoun is a) a two-time vice president who supported slavery and states' rights. He also brought about nullification into American government and was a big supporter of limited government. He was the seventh vice president and being from the south supported the secession of the southern states from the Union.
The MG 42 is a 7.92×57mm Mauser general purpose machine gun designed in Nazi Germany.