Answer:
Im 90% shure its wethering but please don´t hate me if im wrong
Explanation:
<span> In DNA, </span>guanine<span> is paired with cytosine. The </span>guanine<span> nucleoside is called </span>guano sine<span>.
i hope this helps!:D</span>
A homogeneous mixture is not considered a pure substance because it can be separated through mechanical and thermal processes. A pure substance, however, cannot be separated.<span>
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