Why does the blending of skin color occur?

the reason for the blending of skin color occurs when...

The expansion and contraction of the color cells is controlled by the chameleon's brain to cause a color change.

The melanin in the inner layer can move closer to, or farther away from, the skin surface allowing it to blend in with, blot out, or intensify color from other cells.

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image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.