Old or Young?
Old or Young?
Old or Young?![old or young woman?](/sites/niehs-kids/files/kids/assets/images/illus8.jpg)
Is this woman old...or young?
![Atom](/sites/niehs-kids/files/kids/assets/tiles/science_how_it_works_callout_box.png)
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Old or Young?
Old or Young?Is this woman old...or young?