question: Given the fact "shedding is when an animal loses hair", what is the answer to "Pit bulls thin their thicker coats by"

answer: shedding

question: Given the fact "pollution is a source of pollutants", what is the answer to "Pollution is a source of what?"

answer: dirtying agents

question: Given the fact "detailed observation of celestial objects requires a telescope", what is the answer to "A telescope is required for detailed observation of what?"

answer: astral bodies

question: Given the fact "as altitude increases , air pressure will decrease", what is the answer to "As the pull of gravity decreases air molecules"

answer:
disperse