There is an uneven distribution of electrons between oxygen & hydrogen atoms
Answer:
A chemical element is a type of atom with the same number of protons in their <u>atomic</u> nuclei.
Explanation:
For an example, the atomic number of Chlorine is 17, and there is 17 protons in Chlorine.
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Genetic variation occurs.
Mutations are not copied over and over again.
Answer:
A. oxygen
Explanation:
element in magma is most abundant is oxygen.