Our skin contains pigment forming cells that secrete melanin, the pigment that imparts brown color to skin. When harmful UV rays fall into skin, secretion this pigment melanin increase which inturn saves our skin from damaging UV rays. Thus getting brown in sun is protective mechanism of skin to save from UV rays.
This is also the reason why people with white skin sunburn more frequently!!!
because the sun contains a chemical substance, more specifically the UVA and UVB rays, especially the UVB rays produced by the sun can alter the pigments in your skin, turning them brown!
they do a lot of sunbathing. in their trunks! tee hee!
Sit back and wait
A sunbathing centipede
It is sunbathing.
The Sound of Sunbathing was created in 1979.
Dogs would overheat if sunbathing.
Maybe you got a bit of a tan if you were nude sunbathing, otherwise it is a good idea to see a physician.
This could be a condition called scaly face. This is when a budgie nose turns brown and scaly which is caused by mites. This could be fatal in the late stages but it is curable. This could also be age related, when budgies get older, their noses turn brown. Correction: When a female budgie's beak turns brown, this is an indication that she is ready to breed.
it turns brown in the refrigarator
cancer
brown
All the food and bacteria mix together and it turns brown