Answer:
I am something that floats. But after a period of time I fall.
A white field, and when it is plowed, its soil is black.
What superhero is terrible at their job because they always get lost and are late?
It moves around in circles. We see it as we turn. It keeps us always warm. Always alive and always dying, Across the sky we see it flying, But touch it and we burn.
I am a man but I swing from place to place and walk upside down just like a critter. Who am I?
I flow from the Homerβs mouth when he sees doughnuts.