Answer:Before they were replaced in 1865 by a paid professional force, New York City had relied completely upon volunteer fire companies, organized by neighborhoods and staffed predominantly by the working classes.
The correct answer is True! I hope this helps!
Answer:the loss of potential gain from other alternatives when one alternative is chosen.
"idle cash balances represent an opportunity cost in terms of lost interest"
Explanation:
<span>Salt mined in the Sahara was exchanged for gold.</span>
