Cole could develop the idea by researching upon how global warming is affecting us right now, and also the future world. For example, ice caps are melting which could raise artic sea levels.
Indeed the person above has a point, i cant really understand this because i have not had the lesson of it, but i can say to ask your teacher
C. Do you know how to ride a bike?
Answer:
We went to the park, but we didn't eat lunch there.
Compound