Answer: b. -CH_2OCH_3
Explanation: -CH_2OCH_3 has the highest priority according to the Cahn-Ingold-Prelog system used in assigning E and Z configurations of carbon-carbon double bonds
Because of the secretion of hormones.
They need to change every single detail of the adolescents.
Eye contact, good posture, talking with your hands, smiling, nodding in agreement, and taking notes.