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...Leaf function the main of leaves is to absorb sunlight and use this energy produce sugars process photosynthesis creation sugar from carbon dioxide water using sun are usually flat so that they can maximum amount light as efficiently possible anatomy a connected stem by structure called petiole base where connects node axil we happen find buds clusters emerging cross section blade consists several layers outer layer top bottom epidermis its protection be specialized for example some have hairs cuticle part produces cutin waxy protects plant dehydration disease increasing intensity will increase thickness hence need hardening off before moving plants also repels make pesticides less effective unless additives help them penetrate without these insecticide would completely flow...