Answer:
I can wake you up in the morning but I require no electricity or winding.
I am a path between high natural masses; remove the first letter to get a path between man-made masses.
I can be in your body but never on your placemat. I'm always better when I'm fresh, but you'll never see me in the flesh. What am I?
I am a food with 5 letters. If you remove the first letter I am a form of energy. Remove two and I'm needed to live. Scramble the last 3 and you can drink me down.
I regularly change shape yet remain a sphere. I am always there but not often seen. What am I?
You can always see it, but it's too far away to touch. Mountains rest on it, and at sea it surrounds you. What is it?