https://www.youtube.com/watch?v=gIvxA6dwjrA Ultraviolet (UV) is an electromagnetic radiation and UV rays can be classify into three types – UVA, UVB, UBC. The effects of these rays…
https://www.youtube.com/watch?v=GeKe2FD1UrE The ozone layer is a deep layer in the stratosphere, shielding the Earth from much of the harmful ultraviolet radiation that comes from the…