Answer:
I am the only vegetable or fruit that is never sold frozen canned processed or in any other form but fresh.
I cause involuntary movements in your vehicle
I am a portal to another world which you cannot enter. Only you can see me but I can't see you.
Cloud is my mother. Wind is my father. I come down but never go up. What am I?
I am a tool for fairies.
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.