Answer:
I am the yellow hem of the sea's blue skirt.
Some keep it in a dumpster while others keep it in their trunk.
If you happen to wake up at dawn, you'll probably find this covering the lawn.
What is something you can give away as many times you want without ever losing it?
Mary's child slept in one of these
I am easy to waste and unstoppable
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?