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: the circulatory system carries oxygen from the digestive and respiratory systems to the rest of the body
[A]: the circulatory system carries oxygen from the digestive and respiratory systems to the rest of the what?

[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: if a body of water loses all water then that body of water does not exist any more
[A]:
If all the water in the Atlantic ocean evaporated, the Atlantic ocean will?