Which strategies have the potential to prevent the spread of disease select the three correct answers
a=earlier intervention
b=closing water purification plants.
c=education through social media
d=the development of new vaccines.

Which of the following statements concerning cancer and mutations is correct? a: cancer can only occur with a mutation in a somatic cell. b: usually, multiple mutations are required in different genes to cause cancer. c: none of the other answer options is correct. d: cancer can only occur with a mutation in a germ cell. e: usually, a single mutation is all that is required to cause cancer.