Answer:
You get many of me, but never enough. After the last one, your life soon will snuff. You may have one of me but one day a year, When the last one is gone, your life disappears.
It cannot be seen, it weighs nothing, but when put into a barrel, it makes it lighter.
There are two bodies on the floor. They are surrounded by water and broken glass. How did they die?
Mountains will crumble and temples will fall. And no man can survive its endless call.
What must be in the oven yet can not be baked? Grows in the heat yet shuns the light of day? What sinks in water but rises with air? Looks like skin but is fine as hair?
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.