The funnel-like shape of the external ear enables it to collect waves, which travel down the ear canal. frequecy

radio

sound

electric

Mario’s is heavily addicted to smoking but wants to quit. what can he use to reduce the painful effects of withdrawal

Which set of symptoms describes the short term effects of marijuana

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.