It's a kind of logical argument that applies to deductive reasoning to arrive at a conclusion based on two or more propositions that are asserted or assumed to be true.
Your answer is B) The book, tom sawyer, is full of entertaining and vivid characters.
by giving you a stronger understanding of the text
Athletes are at risk of exercise-associated hypothermia because of the temperature (surroundings) of where the athlete is exercising. Also doing extreme things like doing anything in the cold that athletes have to overcome can be why they are more likely to get hypothermia.
Summary because of the cold conditions they are playing or doing the activity.