Answer:
I am a mountain at night, meadow at day. What am I?
I row quickly with four oars, but never come out from under my own roof. What am I?
I can be swallowed But I can also swallow you.
I can't go left, I can't go right. I am forever stuck in a building over three stories high. What am I?
Never resting, never still. Moving silently from hill to hill. It does not walk, run or trot. All is cool where it is not. What is it?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?