instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
A fewer predators is most likely to cause the number of rabbits living in an area to increase.
answer:
Which factor is most likely to cause the number of rabbits living in an area to increase?


question:
Phosphate groups are found within phospholipids and nucleotides.
answer:
Phosphate groups are found within phospholipids and what else?


question:
Period is the time interval required for one complete wave to pass a point called.
answer:
What is the time interval required for one complete wave to pass a point called?