The answer is gelatin. Correct me if im wrong.. Since gelatin consist of the elements Carbon, Hydrogen, Nitrogen and Oxygen. (same as the protein elements.) [biuret test is used to test the presence of amino acids]
C.stressors are activities that can cause danger
Are you asking for DNA or chromosomes or something? You asked for which of the following but then dont give the following
One reason is if someone is injured and needed to use pain pills, sometimes they get addicted to it
