
UVA and UVB rays: what is the difference between them?
The solar rays reach the earth according to their type, these can be UVA and UVB rays. Here you will know about each of them and differentiate them at the time of sunbathing in summer. [..]
The solar rays reach the earth according to their type, these can be UVA and UVB rays. Here you will know about each of them and differentiate them at the time of sunbathing in summer. [..]