At the end of this excerpt the author states that Buck "has saved himself by not becoming a mere pampered house dog How has Buck "saved himselt" from his environment? Select one Buck exercises when he is outdoors so that he has strong Tuacles to help him guard his family O Buck still feels the instinct to hunt and swm even though his civilized surroundings do not require him to Buck hunts and swims to become bigger like his lammer Elmo so that the judge is reminded of Elmo Buck shows the house dogs and the kennel dogs how strong and free he is when he is outdoors