Answer:
I am always in front of you but you will never see me
It's been around for millions of years but is never more than a month old. What is it?
I am lighter than air but a hundred people cannot lift me. Careful! I am fragile!
I have a small hill with seven holes.
I reach for the sky, but clutch to the ground. Sometimes I leave, but I am always around. What am I?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?