Answer:
Come up and let us go. Go down and here we stay.
Above all things have I been placed Thus have I, a man disgraced. I describe sunlight or lock But after all, I'm just a rock
It's the only vegetable or fruit that is never sold frozen, canned, processed, cooked, or in any other form but fresh
I am never quite what I appear to be. Straight-forward I seem, but it's only skin deep. For mystery most often lies beneath my simple speech. Sharpen your wits, open your eyes, look beyond my exteriors, read me backwards, forwards, upside down. Think and answer the question...
What can be swallowed, But can also swallow you?
It's what light turns into in the night
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?