Respuesta :
Answer:Detailed Solution. Crooks glass mainly comprises of cerium oxide which absorbs the ultraviolet radiations from the sun. This is why crooks glass is used in sunglasses
Explanation:
Answer:
They are made of Crooks glass.
Explanation:
Crooks glass mainly comprises of cerium oxide which absorbs the ultraviolet radiations from the sun. This is why crooks glass is used in sunglasses.