Riddle

What stays on the ground but never gets dirty?

Choose an answer

A.Puddle
B.Footprint
C.Reflection
D.Shadow
Hint: It's a word with 6 letters, starting with "S".

Answer

Shadow

Why this is the answer

A shadow lies flat on the ground wherever you go, but being just an absence of light, it can never actually get dirty.

This riddle is filed under Hard/Difficult Riddles and rated Easy.