Answer:
I am made by nature soft as silk; A puffy cloud white as milk; Snow tops this tropical crop; The dirtiest part of a mop.
What loses its head in the morning but gets it back at night?
You will always find me in the past. I can be created in the present, but the future can never taint me. What am I?
I am easy to waste. I am unstoppable. What am I?
I am used when you jump off a bridge for fun.
What is always coming but never arrives?