I am sure the answer is repel because human hair carries negative charges which mean they will repel because like things repel
The tertiary structure of a protein refers to the overall three-dimensional arrangement of its polypeptide chain in space. It is generally stabilized by outside polar hydrophilic hydrogen and ionic bond interactions, and internal hydrophobic interactions between nonpolar amino acid side chains
<span>The behavior that is not a result of seasonal changes is : C. circadian rhythm
Cicadian rhythm refer to the Physiological cycle that's experienced by living organisms within a day, This cycle is not a reasolg of seasonal change because the factor that influence it the most is time period within 24hours, and the time process usually the same no matter what season they are in</span>