TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: In the tropics tradewinds are the prevailing winds called.

SOLUTION: In the tropics what are the prevailing winds called?

PROBLEM: Present-day plants that have a complex vascular tissue system are called vasuluar plants.

SOLUTION: Present-day plants that have a complex vascular tissue system are called what kind of plants?

PROBLEM: Volume is another way of measuring material.

SOLUTION:
Volume is another way of measuring what?