The second answer is true, lung cancer is the leading cause of cancer deaths.
The correct answer is early detection. It is because in order to prevent or develop certain diseases, the person should have an early detection or diagnosis in means of finding a cure or solution to the disease that one experience.
Random sampling means that members of a 'population' have equal chances of being selected. To carry out this type of sampling, you will need to use a table of random numbers.
Establishing a link between malpractice and harm is a link distinction
