<span>Plato first proposed that the planets followed perfect circular orbits around the Earth. Later, Heraclides (330 B.C.) developed the first Solar System model, placing the planets in order from the Earth it was is now called the geocentric solar system model.
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Ask your teacher. Depending on what he/she wants, the teacher may or may not deduct points from your assignment. Good luck!
Answer:
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It needs a C) host cell in order to reproduce
