Why Do Leaves Change Color? The Science Of Fall Foliage | Mach | NBC News

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It’s the most iconic sign of autumn: leaves change from green to a brilliant array of reds, purples, oranges, and yellows that all too quickly fall to the ground. But what causes this process to happen? Mach explains.

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Why Do Leaves Change Color? The Science Of Fall Foliage | Mach | NBC News
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Seriously? Next tell us why the sky is blue.

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