Answer:
What is pronounced like one letter, written with three letters. And belongs to all animals?
What is bought by the yard by is worn by the foot?
Round as a button, deep as a well. If you want me to talk, you must first pull my tail.
It is sometimes known to have silver linings.
I am a fire's best friend. When fat, my body fills with wind. When pushed to thin, through my nose I blow. Then you can watch the embers glow.
What is so fragile that saying its name breaks it?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?