question: Given the fact "density is a measure of mass over volume", what is the answer to "If the mass of an object increases, what must the volume do for the density to stay the same?"

answer: increase

question: Given the fact "a phase change is when matter changes from one state into another state", what is the answer to "All the water vanishes from a small depression basked in sunlight on a paved road because of"

answer: evaporation

question: Given the fact "the top layer of soil contains the most nutrients", what is the answer to "the top layer of soil contains the most nutrients where I"

answer: hike

question: Given the fact "sound can travel through air", what is the answer to "Sound can travel through the"

answer:
sky