Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

[EX Q]: 40 m/s north of the following represents the velocity of a moving object.
[EX A]: Which of the following represents the velocity of a moving object?

[EX Q]: Reptiles typically reproduce sexually.
[EX A]: How do reptiles typically reproduce?

[EX Q]: Momentum is directly related to both mass and velocity.
[EX A]:
Momentum is directly related to both mass and?