Which of the following is the correct list of two illegal maneuvers in racewalking?
lifting and creeping
creeping and striding
striding and lengthening
straightening and lifting

Nina has the flu and a high fever. her immune system is exhibiting the line of defense. this defense is part of immunity.

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.

American college students invented football by combining what two sports?