Answer:
I'm a green veggie that looks like a tiny tree.
Old Mcdonald had this
What you become during a workout?
Even if you throw it away, it still comes back.
It comes from crystal and melts to a treat. Add it to your tea to make it sweet. What is it?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?