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.
C. 'pax' means peace in latin, and 'Romana' means Roman, so it literally translates to "Roman Peace", which was a time of create peace and a time when the cultures flourished. :)
B. A world history textbook. It is not a source of when the incident occurred, such as the others.
Answer: they decompose waste
Explanation:
