Answer:
What is often on the ground getting stepped on by others, but you donโt have to wash it because it never get dirty, in fact you couldnโt wash it even if you tried?
It's what light turns into in the night
Which weighs more? A pound of iron or a pound of feathers?
When I type I tap these on the keys
What falls down but never gets hurt?
If itโs information you seek, come and see me. If itโs pairs of letters you need, I have consecutively three. What am I?