Explanation:
The gene pool is the sum total of all the genes and combinations of genes that occur in a population..
This is more of an opinion question, meaning there is no right or wrong answer. But to help you answer it, the word optimism means someone who is outgoing, positive, encouraging, etc.
Answer:
Yes, because they didn't have the laws settled yet.
Explanation:
The answer you are looking for is: <span>Based on classical conditioning</span>
<span>How did king Darius improve trade in the Persian empire?
</span>
He had all the citizens use the same money system of measurements and weights. With this it improved trade so no one felt like they were being cheated.