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.
Answer:
Up
Explanation:
If you are using a map will mean up
<span>B.the effect living and nonliving things have on each othe</span>
Answer: do you know the answer
Explanation:
If so please comment under this
