How is a leaf adapted for photosynthesis?

A leaf has a broad flat lamina that presents a large surface to the light, and it is thin so that gases diffuse quickly through it. Its palisade cells are packed with chloroplasts and lie just under the upper surface, its stomata allow carbon dioxide in, and its network of veins brings water and carries away the products.

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Explanation

The arrangement of leaves on the stem also reduces the shading of one leaf by another.