<span>♥B. There was no single medium of exchange.♥
Take a look at the saying </span><span>"Not worth a Continental".
It referrers to the fact that </span><span>currency issued by the Continental Congress was usually just a promise to pay.
Leaving your answer with ♥B♥</span>
D)LT^-1 speed=distance(L)/time(T)——>L/T
Answer:

Explanation:
From conservation of energy states that
