The best and most correct answer among the choices provided by the question is the first choice , a. restrictive.
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Synthetic materials, heavy metal, pollutants
Answer:
psychologically healthier
Explanation:
It is believed that these individuals that integrate the "masculine" and "feminine" sides of their personalities tend to be psychologically healthier. Psychologists believe that this is due to those individuals being able to adapt and cope with a much greater ease with regards to aging than most of the population, thus leading them to not only by psychologically healthier but happier as well.