Achievements of Kepler include proving that
a. orbits of planets are elliptical.
b. planets circle around the sun.
c. planets move at different speeds.
d. there is a mathematical relationship between the time it takes a planet to complete its orbit of the sun and its average distance from the sun.
e. Each of these was proven by Kepler.
e
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Answer the following statement(s) true (T) or false (F)
According to Zuberi, the Chain of Being asserted that God created some humans to be superior to other humans.
Prior to his capture and sentence to life in prison in 1964, Nelson Mandela experienced all of the following EXCEPT
a. becoming one of South Africa's only black lawyers. b. emerging as a leader of the African National Congress. c. being forced to go underground when black political parties were banned. d. securing a powerful political ally through an arranged marriage. e. resorting to force of arms to carry out his fight for racial justice.
The method by which scientists draw generalizations derived from, and test hypotheses against, empirical observations is known as __________.
Fill in the blank(s) with the appropriate word(s).
In 1861, why did the Confederacy establish a ban on the export of cotton?
A) to deprive the North of necessary textiles B) to focus agricultural efforts on growing food C) to coerce Britain and France into recognizing its independence D) to hoard sufficient cotton so that the government could blackmail foreign nations E) to make sure the South had enough cotton to meet its own needs