The answer is red blood cells
Answer A. If the tectonic plates continually move then they change earth’s crust constantly.
<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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D. type a mother and type b father because they don’t have blood type o from their parent
