What is the function of iron and three sources?

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.

9. withdrawal occurs when alcohol is removed from the system after the brain a. adapted to the continued presence of alcohol b. become physically saturated with alcohol c. become impervious to the effects of alcohol d. begun to treat alcohol as a poison

When a researcher debriefs her participants, she: provides a detailed explanation of the study. removes their undergarments. tells them they can stop taking part at any time. provides an detailed explanation of the study, and tells them they can stop taking part at any time.