Oxygen<span>, </span>sulfur<span>, </span>nitrogen<span>, and </span>hydrogen<span>.
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Explanation:
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The living organism is to make the capability of making your own way of inspiring new ways to inductor the situation on a problem to complete the act on the way of it's respondent to every single thing
DNA replication<span> is </span>semi-conservative<span> because each helix that is created contains one strand from the helix from which it was copied. </span>
