The answer is Pennsylvanian. I worked on this before. The Pennsylvanian era is a subperiod of the Carboniferous Period. i really hope this helps :)
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The appropriate response is Nicolaus Copernicus. The heliocentric model says that the sun is at the focal point of the universe, and the absence of the move of stars intended to them that they were moving around a similar thing the Earth was, or the Sun.
Answer:
Physical geography and a spirit of independence influenced the development of the United States as physical geography which had influenced all the population and also the developments of cities based off of features. For example harbors and many other trading systems that the cities were built around.
Explanation:
I hope this helped. I am sorry if you get this wrong. Have a wonderful day.
Answer:
I think the ans is option no. B
