Which is true about UVA and UVB rays?
A. Both rays can be blocked 100% by sunscreen
B. UVA protects the surface, UVB protects beneath the surface
C UVB rays cause burning, UVA rays cause premature aging
D. UVA rays cause burning, UVB rays cause premature aging

Explanation: Ultraviolet radiation causes DNA changes in the skin, leading to premature aging and skin cancer. There are three kinds of UV light: UVA light. This form of solar radiation damages skin at all levels—from the surface layer (epidermis) down deep into the dermis.

Answer Link

Which is true about UVA and UVB rays? A. Both rays can be blocked 100% by sunscreen B. UVA protects the surface, UVB protects beneath the surface C UVB rays cause burning, UVA rays cause premature aging D. UVA rays cause burning, UVB rays cause premature aging

Respuesta :

Otras preguntas

Which is true about UVA and UVB rays?
A. Both rays can be blocked 100% by sunscreen
B. UVA protects the surface, UVB protects beneath the surface
C UVB rays cause burning, UVA rays cause premature aging
D. UVA rays cause burning, UVB rays cause premature aging