Darkly pigmented skin is advantageous in the tropics because it a) Protects skin from frostbite b) Allows maximum exposure to UV radiation c) Helps prevent rickets d) Promotes vitamin D synthesis e) Protects skin from skin cancer from overexposure to ultraviolet radiation
Darkly pigmented skin is advantageous in the tropics because it
Skin is the largest organ of human body which has 7 different layers to protect from the exterior environment.
Ultraviolet or UV radiation that arrives at the Earth's surface consists of two sorts of beams, called UVA and UVB. It can cause skin harm, untimely maturing, melanoma, and different kinds of skin disease. It can likewise create some issues with the eyes and the immune framework and also cause mutation. Around 10% of daylight is UV, and something like 33% of this infiltrates the atmosphere or ozone layer before arriving to the ground. Ultraviolet (UV) light falls in the scope of the EM range between noticeable light and X-beams. It has frequencies of around 8 × 1014 to 3 × 1016 cycles each second, or hertz (Hz), and frequencies of around 380 nanometers (1.5 × 10−5 inches) to around 10 nm (4 × 10−7 inches)
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