Answer:
Ultravoilet radiations (UV rays).
Explanation:
Sunburn is caused by the Ultravoilet radiations, either cause from the sun or the artificial source like welding arcs and tanning lamps etc. Ultravoilet radiations is a type of electromagnetic radiations with wavelength 10nm-400nm. It is present in the sunlight and contributes 10% output from the sun. It is a reaction of the body to direct DNA damage from UVB light.
Uv radiations is a powerful attack on the skin, and may cause skin cancer. It can also cause eye problems, they can cornea to become inflamed or burned.
