<span>Prior to 1879, people who studied behavior associated themselves with biology.
In the past, it was thought that certain behaviors were only the result of biology. Those scientists assigned various mental disorders to problems within that person's body, when in fact, not all mental disorders come from biological problems.
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A)amino acid is the correct answer
I believe the answers are b, d, a, d <3
Terrestrial planet.
Terrestrial brings like us and animals live whereas as others don't satisfy any life.
