Answer:
At first I am a yellow weed in the lawn, and then the wind blows, and my white feathers are gone. What am I?
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.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.
Both punishment and sweet reward, It will befall both fool and lord. It is a spiritual scoreboard, Your every deed it does record.
What has a neck and no head, two arms but no hands?
Dry though I may be, I am still a sea.