American novel is the answer.
Buck is a better lead dog because he displayed good judgment, intelligence, the ability to keep order, and the skill to make the team work as hard as possible. Spitz was a great dog and leader; Buck was superior even to him.
Buck's leadership skills are very strong. He has a knack for making the other dogs do their share of the work, and he is also a good teacher for the new dogs added to the team.
Answer:
Example: If you want to explore the effect of salt on a plant growth, the control group would be a set of plants not exposed to salt, while the experimental group would recive the salt treament, so you answer is control group.
I believe it's 1. Formal language
