"The domesticated generations fell from him" means that Buck is losing his civilized characteristics (B).
In this passage, Buck is feeling more and more estranged from where he and his ancestors ("generations") originally come from: as he gets a taste of wild life, he feels less and less like a pet ("domesticated") and more like a feral dog or a wolf. He is forgetting his stay-at-home ways ("fell from him") and sees new instincts grow in him, such as the drive to fight and hunt in a pack.
Answer:
Following are the responses to the given point:
Explanation:

Area of cone:

Volume of cone:

Calculating the empty space:


The most fitting answer would be C. while and however
All of these could be considered an "author's purpose". An author is technically anyone who writes anything, therefore the purpose of writing is theoretically limitless. If you have to choose one of these, however, it would be "to remind".
<span>The prophecy said that Polyphemus would be
defeated by a man named Odysseus, so obviously he was expecting someone huge
and strong to fight with him, but when Odysseus defeated the cyclops using his
brains only, he was really surprised because he underestimated his power</span>