This theory was first proposed by Nicolaus Copernicus<span>. </span>Copernicus<span> was a Polish </span>astronomer<span>. He first published the heliocentric system in his book: De revolutionibus orbium coelestium , "On the revolutions of the heavenly bodies," which appeared in 1543.</span>
Answer:
DNA is nucleic acid
Explanation
Answer:
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