Answer:
I am round. I have only one line. Circle is not my name indeed. What am I?
I can be written, I can be spoken, I can be exposed, I can be broken. What am I?
I fly when I'm on and float coming off.
I wear a red robe with staff in hand and a stone in my throat.
Part carbon part water I am poison to the fishes. Many falsely claim my name I am the pause that refreshes.
Lynn likes grapes but not potatoes. She likes squash but not lettuce, and she likes peas but not onions. Following the same rule, will she like pumpkins or apples?