Which food does not support progressive bacterial growth?
a. cooked potatoes.
b. uncooked rice
c. cut watermelon.
d. cooked beef.

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.