A discarded carapace, shed by molting. From certain insects, it's quite revolting.

I am cold. I am a crystalline structure. I have two H and one O.

I’m small and quiet, tucked away, where fields or forests often stay. A humble home, both snug and sweet, what am I, a calm retreat?

With four leaves, I bring you luck. With three leaves, I'm just regular. Lose my first letter and I'm that special person in your life. But lose one more and it's the end.

Take a bird, pluck out its eye, and lose its tail. Now, give it an ear. What do you have?