Not quite sure but I think it is B.
Hope that helps.
Answer:
Positive Feedback Loop: Negative Feedback Loop.
Explanation:
A <u>positive feedback loop</u> refers to a process which amplifies and accelerates the original perturbation, whereas a <u>negative feedback loop</u> refers to a process which dampens the effects of the original perturbation and acts as a stabilizing force on a system.
He/she is called "insurer" or " assurer".