Answer:
I regularly change shape yet remain a sphere. I am always there but not often seen. What am I?
I am a path between high natural masses; remove the first letter to get a path between man-made masses.
There's a one-story house in which everything is green. Green walls green windows green doors. What color are the stairs?
Iโm where yesterday follows today. And tomorrowโs in the middle. What am I?
My first is high my second damp my whole a tie a writer's cramp.
When is it bad luck to see a black cat?