allows your body to get the nutrients and energy it needs from the food you eat

What exercise allows you to specify the muscles to be traineda. i sonicb. anaerobicc. isometricd. aerobic

So i have a lot of answers answered but it says i still need to answer more questions. why is it doing that? how many questions need to be answered?

In a study of a weight loss program, 40 subjects lost a mean of 3.0 lb after 12 months. does the weight loss program have practical significance? a. yes, because the weight loss program worked and the subjects lost a mean of 3.0 lb. b. no, because the mean weight loss of 3.0 lb after one year does not seem to justify the program. c. no, because the sample of 40 subjects was too small to determine if the program was useful. d. yes, because the mean weight loss of 3.0 lb after one year does seems to justify the program.