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Which of these discoveries is generally attributed to newton

A).The force of gravity acts between any two objects
B). The earth is round
C). Planets Move In circles
D). The orbit of mars is an ellipse

2 Answers

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A. is the answer to the question 
answered
User UselesssCat
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Most people know that Newton said "A).".

Most people DON't know that Newton showed that
IF "A)." is true, then "D)." must also be true. Of all the planets.

answered
User Daniel C Jacobs
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