Characteristics of helminths ??please I want an exact answer​

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.

Chris has a thrombotic disorder which class of medications would his doctor prescribe to inhibit the thrombosis

How could you find out if that advice is based in scientific evidence?