Generate a sentence that answers this question: "Fauna will have to flee if their home is".

Answer: if a habitat is destroyed then that habitat can not support animals

Generate a sentence that answers this question: "many vehicles emitting pollution into the air may occur when".

Answer: many vehicles emit pollution into the air

Generate a sentence that answers this question: "Solar energy comes from the sun and does which positive thing?".

Answer:
the sun is the source of solar energy called sunlight