During their survey of different birth control methods (including surgical methods), barbara and evan learned that vasectomies are highly effective and permanent, but they are not immediately effective. barbara was surprised to learn that couples must use alternative birth control for at least how long after the operation?

According to your text, early childhood educators should plan and implement the health component of their programs to respond to the a. need to find cures for communicable diseases. b. convenience of parents. c. predictable developmental patterns of young children. d. necessities of providing low-cost care.

There are two main levels of responsibility related to fitness and fire apparatus operations and preventing injuries and line of duty deaths. the first level involves personal responsibility. the second level involves

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.