Answer:
just serch up the book and there should be an audio wedsite
Explanation:
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 would be Density.
Serf is the correct answer.
Under feudalism, serfs (also known as peasants) represented the lowest class in the system. Even though they were not slaves neither own the land the worked in, they were bound to it. Serfs were required to give a part of their harvest to the person who actually owned te land. In return, these serfs were able to keep their own subsistence and were protected against bandits, thieves and possible injustices.