QUESTION: Generate a question with a factual answer?

ANS: Who doesn't benefit from the predator-prey interaction?

QUESTION: Generate a question with a factual answer?

ANS: What does the increase in the number of objects in the universe do to the curvature of the water?

QUESTION: Generate a question with a factual answer?

ANS: What concept relates measurements of time and velocity of two observers in motion relative to each other?

QUESTION: Generate a question with a factual answer?

ANS:
Which musical style did ars nova replace in the 14th century?