Answer:
I have three feet but I cannot walk. What am I?
My first two letters say my name. My last letter asks a question. What I embrace I destroy.
What gets bigger the more you take away?
What is brown and sticky?
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?
Give it food and it will live, give it water and it will die.