Answer:
B .Through testing a theory about the physical world
Explanation:
D. Is a fly shot effective in preventing the flu?
Answer A touches on the topics of economics and industrial feasibility of the flu shot.
B is more of an ethical / situational question.
C is a social question.
D is the only question which focuses on the science of microbiology and medicine.
99% sure its false
its arranged by atomic number now i believe
