No, by Ultraviolet radiation.
Although burns can be made by intense infra-red radiation, sunburn is generally caused by ultraviolet rays.
A burn on the skin caused by excessive exposure to the sun or other sources of ultraviolet-A and -B radiation.
Ultraviolet radiation does that.
Ultraviolet radiation is unseen by the naked eye though the effect are often felt from sunburns to skin cancers. The Ultraviolet or UV radiation is the beneficial for needing vitamin D but over exposure can cause skin cancer.
Ultraviolet rays from the Sun cause sunburns.
Yes, you can get sunburns on cloudy days. Sunburns are caused by ultraviolet rays, which are not blocked by clouds, only by sunscreen. Sunburns are usually worse on cloudy days because people do not realize they can get burned and do not wear enough sunscreen.
Sunburn is caused by UV-radiation from the sun which creates direct DNA damage.
No. Sunburn is caused by ultraviolet rays. An ordinary fire is not hot enough to produce ultraviolet radiation.
Absorption of ultraviolet radiation by carbon dioxide.