fact and question: gills are used for breathing water by aquatic animals
Question: Lungs are to hampsters as ________ are black tipped sharks.

What's the answer?

answer: gills

fact and question: tunnels in soil loosen that soil
Question: Annelids do what to soil?

What's the answer?

answer: loosen it

fact and question: alternative fuel is usually a renewable resource
Question: Alternative fuel is usually a renewable what?

What's the answer?

answer: asset

fact and question: when an electrical circuit is working properly , electrical current runs through the wires in that circuit
Question: An example of an electrical circuit running properly would be

What's the answer?

answer:
dimming lights