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2006-10-19 14:06:25 · 2 answers · asked by Anonymous in Science & Mathematics Biology

2 answers

It's commonly a waxy substance covering the upper epidermis.
It helps to prevent desiccation (water loss/drying out).

2006-10-20 00:19:06 · answer #1 · answered by ursaitaliano70 7 · 0 0

Transpiration.

2006-10-19 14:29:56 · answer #2 · answered by me 5 · 0 0

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