Generate a sentence that answers this question: "Where do grass snakes live?".

Answer: grass snakes live in grass

Generate a sentence that answers this question: "How essential is air for animals?".

Answer: an animal requires air for survival

Generate a sentence that answers this question: "At any given time on earth, some countries can be in bed and other are in the middle of the day enjoying the outdoors, why?".

Answer:
a planet rotating causes cycles of day and night on that planet