Generate a sentence that answers this question: "The mass of ground sliding down an embankment can be propagated by what?".

Answer: storms can cause a landslide

Generate a sentence that answers this question: "On a wet planet, the amount of seas will".

Answer: oceans cover 70% of the surface of the earth

Generate a sentence that answers this question: "It is much harder to go star gazing in the city as opposed to the mountains due to the amount of factories doing what to the air".

Answer:
as light pollution increases , seeing the stars will be harder