Answer:
What is the edge of earth and bread?
Weight in my belly, trees on my back, nails in my ribs, feet I do lack. What am I?
I go into the water black and come out red. What am I?
I am an English word with 3 consecutive double letters.
People need me, yet they give me away every day. 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.