Answer:
When it is alive we sing, when it is dead we clap our hands. What is it?
A morbidly-named body of water
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...
This thing all things devours: Birds, beasts, trees, flowers; Gnaws iron, bites steel; Grinds hard stones to meal; Slays king, ruins town, And beats high mountains down.
Whilst I was engaged in sitting. I spied the dead carrying the living
What language does a billboard speak?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?