Answer: Mutations are important to the evolution of a species because is creates new DNA for a certain gene, creating a new allele.
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Answer: There are four atoms
Explanation: mass of Cl atom is 35.45 amu
Amount of atoms n = m/M = 142 / 35.45 = 4
Answer:
flavio because you need a source of energy in order for it to have energy
Explanation:
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