How does the author draw a distinction between a tornado
watch and a tornado warning?
A. The author clarifies which experts report on tornado warnings and
watches.
B. The author explains warnings and watches at length, citing
specific details and protocols for each.
C. The author describes the differences between what causes each
notification and defines the area that is covered.
D. The author provides the locations where each notification
typically occurs and the organization in charge of labelling each.