Answer:
With sharp edged wit and pointed poise. It can settle disputes without making a noise.
Looks like water, but it's heat. Sits on sand, lays on concrete. A play on the eyes, but it's all lies.
You can read it both ways, I wearΝΎ One way it's a number, reversed a snare.
A leathery snake, with a stinging bite. I'll stay coiled up, unless I must fight.
Look into my face and I'm everybody. Scratch my back and I'm nobody.
What begins and has no end? What is the ending of all that begins?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?