What is the description of all 4 Fitt Principles?

It's good to be in positive energy balance when you're  a.  a fully grown adult in good health.    b.  trying to deal with stress.    c.  recovering from the flu.    d.  beginning an exercise program

Which of these is most likely to prevent pregnancy? a. tracking of female body temperature to identify ovulation times b. proper condom use c. male withdrawal before ejaculation d. proper spermicide use

Which of the following statements is true about body composition? a. body composition is the percentage of fat to lean body mass. b. body composition is a measure of one's body weight. c. body composition is a measure of one's essential body fat. d. body composition is not a good indicator of overall health. select the best answer from the choices provided. a