PLEASE HELP.... 60 POINTS + BRAINLIEST TO FIRST CORRECT ANSWER THAT IS DETAILED WITH GOOD EXPLANATION AND A CLEAR ANSWER. ANY FAKE ANSWERS OR WRONG ANSWERS WILL BE REPORTED AND DELETED. TYSM!!!!

Knowledge of the world gained through observations and experiments is a good definition of
A. a conclusion.
B. science.
C. a scientist.
D. a hypothesis.