Riddle #909

Question: Sometimes I'm high and sometimes low,
and I creep between your toes.
My orders come from the sky,
I make men fall and rise.

What am I?

Question: What fish only swims at night?

Question: What kind of mouse does not eat, drink or even walk?

Question: What has a bed that you can't sleep in?

Question: What tastes better than it smells?

Question: What goes in the water black and comes out red?