instruction:
Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.
question:
Question: Pressure and ________ are directly proportional at a constant volume? Answer: temperature
answer:
Pressure and temperature are directly proportional at a constant volume.

question:
Question: When did new plants start sprouting after the forest fire? Answer: two months later
answer:
Secondary Succession. Two months after a forest fire, new plants are already sprouting among the charred logs.

question:
Question: What is the force that causes centripetal acceleration? Answer: centripetal force
answer:
Centripetal force is the force that causes centripetal acceleration.