Answer:
I am a path between high natural masses; remove the first letter to get a path between man-made masses.
I turn everything around, but I cannot move. When you see me, you see you! What am I?
I am very easy to get into,but it is hard to get out of me. What am I?
Only one color, but not one size, stuck at the bottom, yet easily flies. Present in sun, but not in rain, doing no harm, and feeling no pain. What am I?
What goes in the water black and comes out red?
Why did Superman flush the toilet?