A a a scientist is studying the results of a dna gel electrophoresis from four different species. What kind of information can the scientist determine from this test?
A how closely related the species are
B which species are carnivores
Chow the different species live
D what is the common ancestor for the species

we would need to see the picture to answer it

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds