I believe the answer is biological perspective
Psychologists who are an expert in biological perspective analyze certain psychological occurrences based on the physical attribute that the people have, such as the size of the brain, the hormones that exist in our body, parts of brains that lite up when we do certain things, etc.
The correct answer among the choices given is option B. The purpose of an expectorant is to liquefy mucous. An expectorant is a drug that aids in the clearance of mucus in the respiratory system. It thins out mucus so it can be expelled from the body easier.
The answer is Except their water.
Amazon Rain forest is rich in Oil, Medicinal Plants, and it create about 20 % of world's oxygen, but people around the world doesn't rely on their water so much
