Exposure of UV radiations causes

Direct exposure of U.V radiation causes

UV radiation causes

Which type of UV radiation causes skin aging?

Name the type of UV radiation that causes tanning and burning of skin?

Which of the following is/are the harmful effect(s) of UV radiation? It causes mutation in the cell. UV radiation leads to ageing of skin. It kills many phytoplanktons. It causes global warming.

Which type of UV radiations can be lethal to organisms?