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How do leaves turn yellow​

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Lack of water causes leaves to dry up and lack production of chlorophyll which is a green pigment when this dies the leaves turn yellow
User Calimo
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Answer:

Overwatering or underwatering are the most common culprits when a plant's leaves turn yellow. ... Before they drop, though, the leaves will typically turn yellow.

Step-by-step explanation:

User Hamedkh
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