Answer:
2. blood vessels under the skin expand
Explanation:
i just took that quiz and i got it right :)
<span>What rock formation is represented by the blue line?
well i think its B</span>
Deoxyribonucleic (DNA) pronouced (de-ok" si-ri"bo-nu-kle'ik). It is a Nucleic Acid. DNA is one of two major classes of molecules, the other is RNA. Typically, DNA is found in the nucleus (control center) of the cell, where it constitutes the genetic material, or genes.
<span>DNA is a long, double stranded polymer-a double chain of nucleotides.</span>
