Which type of electromagnetic radiation is the primary cause of sunburns?

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.

weathering is the answer.

c

explanation: