Which statement about cancer is true? A. Once in remission, cancer cannot come back.

B. Self-exams help detect cancer.

C. Increasing sun exposure decreases the risk of skin cancer.

D. All tumors are cancerous.

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.