burns the skin which can lead to skin cancers
X-rays and gamma rays from the sun are black by the atmosphere. The ozone layer partially blocks out ultraviolet rays, but some do get through, creating a risk of sunburn, skin cancer, and eye damage.
UV rays can kill skin cells, and eventually cause cancer.
The sunshine rays allows one's body to get vitamin D
How many ultraviolet rays are there?
No dangerous rays harm the ozone layer. CFCs (chlorofluorocarbons) harm the ozone layer. The ozone layer actually protects us and theearth from dangerous ultraviolet radiation.
ultraviolet
vitamin D
Bees can see ultraviolet rays.
Johann Wilhelm Ritter discovered ultraviolet rays
Ultraviolet rays, or radiation, is a type of electromagnetic waves.
They helo your body produce vitamine d
Ultraviolet rays can do as much harm to dark skin people as white skinned people. The suns rays do not differentiate between colors.