Yes, it is usually around that temperature. Any higher is not normal.
The correct answer is D. All of the above. The sit and reach is a type of flexibility stretch that stretches your hamstrings. So obviously it would increase your flexibility and promote circulation. Stretching also helps with preventing injuries (I should know, I am an athlete myself).
Hope I helped!
C. Emotions are feelings that are triggered by thoughts or events because they have reasoning, others are not a factor in its main definition, and emotions do offer some insight to a persons mental health.