Answer:
Because unlike other scientists at his time, he believed the Earth was the center of the universe. The opposite of the geocentric model is the heliocentric, where the Sun is the center of the universe (correct model).
President Kennedy justified space travel in the face of all hazards involved by seeing<span> it as a challenge worth taking, as it will promote peaceful cooperation amongst nations. </span>
Answer:She died on Feb. 21, 1999, in Chapel Hill, N.C. ( I think you would need a bigger sentence) I think she was a terrific scientist. ( You can't just think. If your not sure then just don't add it or research it more.) Elion also discovered new ways to test drugs. ( Needs longer sentences add comas or something to make it longer!)
Answer:
its b i just did it and got it right i promise !
Explanation:
