Which of the following is important if an organism is to become a fossil? A. rapid burial and soft parts
B. rapid burial and hard parts
C. hard parts and slow burial
D. soft parts and slow burial​

C. Hard parts and slow burial

Explanation:

If the parts of the organism were only soft, they would decompose and there would be no fossil present. It also needs to be a slow burial to allow time for the soft parts to decompose so only the bones would remain.

answer; (b); i believe its indefinite existence of human population in a healthy and prosperous condition;