Answer:
I appear in the morning. But am always there. You can never see me. Though I am everywhere. By night I am gone, though I sometimes never was. Nothing can defeat me. But I am easily gone.
In the night a mountain, in the morning a meadow.
What goes with a car, comes with a car, is no use to a car but a car cannot move without it?
I am round as a bowl, deep as a tub, but all the world's water couldn't fill me up.
If a man carried my burden, he would break his back. I am not rich, but leave silver in my track.
People take me on walks and I run and have fun. What am I?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?