Answer:
I am found on Mercury Venus Earth and Mars but not on Jupiter or Saturn. What am I?
I am the place where yesterday is always before today. What am I?
I start with āeā end with āeā. I have whole countries inside me. What am I?
What goes through cities and fields but never moves?
What has legs but doesn't walk?
No matter how little or how much you use me, you change me every month.