Answer:
I go in hard, come out soft. Blow me hard and I'll make a pop. What am I?
I run through hills. I veer around mountains. I leap over rivers and crawl through the forests. Step out your door to find me. What am I?
People buy me to eat but never eat me. What am I?
What's full of holes but still holds water?
What goes through cities and fields but never moves?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?