Answer:
With head without hair. With mouth without tooth.
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...
I climb higher when hot, But beware my rage, I’ll kill with a breath, If I can escape my cage
What breaks on the water but never on the land?
A harvest sown and reaped on the same day In an unplowed field, Which increases without growing, Remains whole though it is eaten Within and without, Is useless and yet The staple of nations.
People take me on walks and I run and have fun. What am I?