Answer:
When scientist find new species that may have to change classification systems in order to accommodate them. DNA sequencing has also let us find out more about evolutionary relationships. The more recent the common ancestor, the more closely related the two species are.
Explanation:
Answer:One carbon atom forms a double bond with an oxygen atom and two single bonds with two hydrogen atoms
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ok, now press calculator. i dont have it now.
Answer:
letter A. i hope this is correct answer