Answer:
You can catch me but cannot throw me. What am I?
I am taken from a mine and shut in a wooden case from which I am never released. Yet I am used by almost everybody. What am I?
I am the signature stroll of ducks and penguins
I am an English word with 3 consecutive double letters.
I am alive without breath and cold as death. I am never thirsty but always drinking.
No matter how little or how much you use me, you change me every month.