Is know as consumer misbehavior .
Leaches were placed on top of the victim to remove "bad blood" what people did not know back then was that leaches remove 'good' and 'bad' blood alike.
I think the correct answer from the choices listed above is option B. Abyssal plains are the vast flat lands beyond the continental shelf that cover almost half of the ocean floor,flat expanses of sediment covering ocean floor. Hope this answers the question
The answer is coordinating efforts to rescue survivors.
