The stereoselectivity of the wittig reaction is due in part to the choice of base and steric effects. True or False

1). explain how health, quality of life, and self-esteem are all

Does the weight loss program have practical significance? a. no, the program is not practically significant because the results are likely to occur even if the weight loss program has no effect. b. yes, the program is practically significant because the results are too unlikely to occur by chance. c. yes, the program is practically significant because the amount of lost weight is large enough to be considered practically significant. d. no, the program is not practically significant because the amount of weight lost is trivial.

List several ways that negative life events (death in the family, being laid off, etc) may affect your physical health.