The answer is a low-density particle
Answer:
The Ancient Greeks developed astronomy, which they treated as a branch of mathematics, to a highly sophisticated level. The first geometrical, three-dimensional models to explain the apparent motion of the planets were developed in the 4th century BC by Eudoxus of Cnidus and Callippus of Cyzicus.
Explanation:
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One way is to see if it responds to stimulants or if it reproduces
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Answer:c
Explanation:I just did the test