Answer:
Precious stones in a pack of cards.
What calls for help, when written in capital letters, is the same forwards, backwards and upside down?
Something we eat, and misspell as meet.
Deep, deep, do they go. Spreading out as they go. Never needing any air. They are sometimes as fine as hair
What has only two words, but thousands of letters?
What did the piece of wood say when he saw the screwdriver and screws approaching?