Has mastered a subject and has sufficient experience
Phenotype:
Red eyes: Ee/EE
White eyes: ee
Genotype:
EE: red eyes
Ee: red eyes
ee: white eyes
Answer:
The unconscious mind.
Explanation:
Psychosomatic conditions is a nervous disorder like dermatitis, hypertension, migraine and so on. And according to Sigmund Freud the UNCONSCIOUS mind is the key to understand the aforementioned disorders, that is psychosomatic conditions. The unconscious mind is a kind of thing that hide some Behaviors that we, ourselves do not know about. This unconscious mind was explained detailed in the Freudian analysis. According to Sigmund Freud, the unconscious mind is like a reservoir for thoughts and memories.
The barriers to exercising are classified as excuses. Excuses like ones physical attributes shouldn't be an excuse to not exercise but a motivator. Time management is another barrier that is classified as an excuse. Even if someone has school or work there is a part of the day that can be used for exercise. Exercising doesn't always have to be an hour in the day.
Surgical scalpel is re useable because it can be easily sanitized