HELP!! this isnt biology it's earth science.

Based on the physical properties of seawater, write the letters of the water samples below in order of increasing depth, from shallowest to deepest. Explain the reasoning used for the sample order chosen.

Aboy jumps into a cold swimming pool and his body tempature goes down hus muscles ,blood vessels

Protein and polypeptide sequences can be determined by first partially hydrolyzing the protein or polypeptide followed by amino acid sequencing of the fragment pieces using the chemical degradation process known as edman degradation. determine the sequence of the initial (18-amino acid) polypeptide that produces the following five partial sequences after hydrolysis and edman degradation.

Prokaryotic and eukaryotic cells are different in many ways other than the presence or absence of a nucleus. if both archaebacteria and eubacteria are prokaryotic cells, then why are archaebacteria more closely related to eukaryotic cells than they are to eubacteria?