True, that's why its known as a ''complex trait'', which mean that is usually caused by a mutation in gene.
Answer:
People with poor self-esteem frequently feel unattractive, uncomfortable, or inadequate. Hypersensitivity is more common in those who lack self-confidence. They have a weak sense of self that is readily injured by other people.
C) Defibrillators.
Most anyone who went to medical school in a hospital can use these.
