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you didnt post the diagram
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parenchyma cells of the leaf mesophyll
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<span>By producing melanin (pigment), the skin protects the underlying structures from ultraviolet light's harmful rays while producing vitamin D, which works with calcium for multiple body processes.
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Vitamin D is produced by the skin when it is exposed to the sunlight. Ultraviolet B (UVB) is the part of the sun's rays that affects the skin to produce such vitamin.
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Explanation:
Abstract. The use of antibiotics in food animals selects for bacteria resistant to antibiotics used in humans, and these might spread via the food to humans and cause human infection, hence the banning of growth-promoters.
