Bill has been noticing a lot of changes in his life. At times he feels as though he is so depressed that he can’t get out of bed, but other times he will go 36 hours without sleeping. He has noticed that his rapid change in behavior has caused him to lose some friends as at times he is alienating himself. What do you think that Bill could be suffering from?

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.

True or false a fertilized cell divides many times to form an embryo

List the benefits of vitamin c and vitamin b