The best option seems to be the second one, letter B) This concept is mentioned throughout the book.
The book The Call of the Wild, by Jack London, has as its theme the concept of "survival of the fittest". Survival of the fittest is an expression connected to Charles Darwin's theory of evolution. Organisms which are able to adapt to the environment survive. Those which are not end up extinct.
That is precisely what happens in the story by London. The main character is a dog, Buck. Buck is stolen from a family with whom he lived a comfortable life. He has to adapt to a whole new environment and conditions as a sled-dog. He turns out to be so adaptable that he becomes the leader of a pack of wolves by the end of the story.
Answer:
One way that effectively helps is to recreate some conditions. For example, use the same pen, or chew the same flavor of gum. This will help you recall more information because it brings you back to the memory when you were studying the answers.
Explanation:
You could have had trouble answering these questions because of an encoding or retreival failure (failure to remember because there weren't enough cues to trigger your memory). You may have had an encoding failure because while you were distracted while you were studying. (Dividing your attention and trying to multi-task is the most common cause of encoding failure).
C) The tension a character feels between two cultures is an example of internal conflict.