describe how our skin darkens in the prescnece of the sun. In your description be sure to name the pigmentthat darkens our skin and decribe how skin darkening protects our DNA from damage

Which geologic feature would most likely be represented by contour lines john far apart from one another? a cliff a hill a plain a valley

What causes darkening of the skin as melanin production increases

5. what might happen if you were to remove all light from the setup after the discs have all become buoyant? describe what you would see. explain why this would occur with relation to cellular processes like respiration. [referring to an ap biology lab in which spinach discs are placed in a sodium bicarbonate solution and exposed to light.]