Yes!
yes
yes
The four ways that the body can be harmed by over-exposure to ultraviolet light are wrinkles, skin cancer, cataracts, and skin burns.
Ultraviolet Light does slowly break down PVC, but the amount of time it will take ranges in years depending on the materials thickness and how much exposure it actually gets.
Some of the sunlight exists as ultraviolet light. Too much exposure to this can cause skin cancer.
as i know its destroyed by ultraviolet light
yes
yes
Riboflavin
Both a tan and a burn result from exposure to ultraviolet light.
Glass does not block ultraviolet light. You get a sunburn by exposure to excessive ultraviolet light.
Prolonged exposure to ultraviolet light can have a number of effects on bacteria. For example, the exposure can lead to mutations in the bacteria's DNA or complete eradication of the bacteria, giving UV light antibacterial properties.
The four ways that the body can be harmed by over-exposure to ultraviolet light are wrinkles, skin cancer, cataracts, and skin burns.
fluorescence
Yes, ultraviolet light is an example of a carcinogen. Carcinogens are cancer-causing substances, and exposure to UV light can lead to skin cancer.
The ultraviolet light of the sun will give you good color, but too much exposure can be dangerous.
Several moments after exposure to an ultraviolet light, a phosphorescent mineral will glow.