Question

why some plants have red leaves​

Answer 1

because of the presence of xanthophyll pigment

Answer 2

Here Is Your Ans ⤵

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➡Most plants also have other pigments: carotenoids, which usually appear yellow to orange, and anthocyanins, which are red to purple. One pigment usually dominates. So a plant with red leaves probably has higher than usual amounts of anthocyanins

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