Given a fact, create a question that can be answered using the fact. Construct the question such that it is unambiguous, has a unique answer and the answer can be given using the fact.

Q: Fact: as a source of light becomes closer , that source will appear brighter

A: As a car approaches you in the night?
****
Q: Fact: as the population of prey decreases , competition between predators will increase

A: When the amount of food goes down, the amount of conflict between the organisms searching for it will?
****
Q: Fact: the ocean contains large amounts of salt water

A:
The ocean contains large amounts of what?
****