<p><a href="https://learn.eartheasy.com/articles/plastics-by-the-numbers/ ">https://learn.eartheasy.com/articles/plastics-by-the-numbers/ </a> Write these numbers down, so the next time you see the number on the plastic bottles you will know which ones leach out dangerous chemicals.</p>

Northern America

What do those numbers mean that are on the bottom of plastic bottles?

Environment

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