Answer:
False
Explanation:
Historians can learn about people from the past if they do not have written records. This is because in the prehistoric era there was no form of writing or records kept and historians still learnt about the period.
This was however possible through the use of remains and different types of artifacts found in the area which gave rise to the historians studying and inferring certain conclusions.
The answer is A) they didnt make enough money to move
Opportunity cost refers to what you have to give up to buy what you want in terms of other goods or services. When economists use the word “cost,” we usually mean opportunity cost.
