Answer:
4600-4500 million years ago, the Earth formed and its crust cooled to become solid. 4500-4400 million years ago, the oldest known thing to have formed on Earth, zircon, formed along with solid crust and oceans. 4200-4100 million years ago, the close of the Hadean Period (there are no surviving rocks).
Answer:
C
Explanation:
C is the most similar because unlike viruses, living things grow and develop, have a basic structure that IS based on cells, and don't require a host. So the only option here that is true for both living beings and viruses is that they both have a way to reproduce.
Answer:
dividing the total number of recombinant gametes into the total number of gametes.
Explanation:
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Answer:
water is a covalent compound consisting of hydrogen and oxygen . it contains Single covalent bond
