Answer:
I produce wool and spit a lot
Never resting, never still. Moving silently from hill to hill. It does not walk, run or trot. All is cool where it is not. What is it?
I'm blue at day and black at night. I do contain some creatures born and died. What am I?
A large oasis in the desert. Come with cash and leave with none.
Send poorly behaved children to me and let them sit here.
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.