Answer:
I am lighter than air, but a hundred people cannot lift me. Careful, I am fragile. What am I?
What can fill a room but takes up no space?
What can you catch but not throw?
What is so delicate that saying its name breaks it?
I am not very commonly found! Only in some rainforest! I have an odd number of toes! I'm very lazy and hang upside down! What am I?
I flow from the Homerβs mouth when he sees doughnuts.