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Why does foliage turn red and yellow in autumn?

Updated: 8/17/2019
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Villacis802

Lvl 1
14y ago

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leaves contain multiple pigments that allow them to absorb multiple types of light from the spectrum. as the green pigment begins to wear away around fall, it allows the other pigments (that exist in fewer amounts within the leaves) show through. this results in red, yellow , brown and every colour in between.
simply: leaves have layers of colours. green fades in autumn and allows the other colours to show.

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Q: Why does foliage turn red and yellow in autumn?
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