Answer:
Equal Environment
Explanation:
Based on the information provided within the question the term being mentioned in this question is called the Equal Environment Assumption. Like mentioned in this question it assumes the differences in twins are genetic factors since their environments and it's effects seem to always be the exact same when the twins are tested. Which is why it is an assumption and not a fact or theory.
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It would be a loan. You have to pay it back but it will eaqual up to 20k :)
It may have affected the history by helping ar war in the past. Soldiers would ride horses and attack the enemy faster and not be on foot. It could have influenced how people got around in the past and how many jobs were available to people.
