Answer: In ancient times, the geographic features of China insulated the country from the rest of the world. Natural barriers,such as mountains,deserts,rivers,and seas,made travel to and from China challengeing....They made the spread of ideas and goods between the ancient Chinese and others outside the region difficult.
Explanation:
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.
I believe both originated and evolved in the United States during the late 1940s and early 1950s
Answer:
D: Africans became sickened by diseases brought by European migrants
Explanation:
Even though north Africa had been in touch with the Europeans for a good time, Middle and South Africa was separated by the the Sahara Desert which meant that diseases did not travel to the rest of the continent
