Answer:
Flat as a leaf, round as a ring; have two eyes, can't see a thing. What am I?
I come in different colors and shapes. Some parts of me are curvy some are straight. You can put me anywhere you like but there is only one right place for me.
Better touch me before you proceed to second.
I have cities but no houses I have mountains but no trees I have water but no fish. What am I?
Part carbon, part water, I am poison to the fishes. Many falsely claim my name, I am the pause that refreshes. What am I?
Black we are and much admired. Many seek us if they are tired. We tire the horse, and comfort man, and turn White when we've fulfilled your plan.