Question

-2 Why did the foliage turn pale?​

Answer 1

Answer:

The direct cause of chlorosis isn't a mystery, though. It's the visible result of too little chlorophyll, the pigment used by plants to trap sunlight for photosynthesis.  Since chlorophyll gives leaves their green color, an inadequate supply turns plants a pale green, yellow or yellowish white.

Explanation:

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Answer 2

The direct cause of chlorosis isn't a mystery, though. It's the visible result of too little chlorophyll, the pigment used by plants to trap sunlight for photosynthesis.  Since chlorophyll gives leaves their green color, an inadequate supply turns plants a pale green, yellow or yellowish white