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Hard As Iron

Author: George R

Riddle:

I can flow like a river, and come from dust, I age hard as iron, but never rust. What am I?

Answer:

Concrete (liquid state before solidification).

Rated 4/5 based on 81 votes
Hard as Iron Riddle Meme.
Hard as Iron Riddle Meme with riddle and answer page link.
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