A primary cause of skin cancer is A) ultraviolet B radiation. B) ultraviolet A radiation. C) ...

Author Question: A primary cause of skin cancer is A) ultraviolet B radiation. B) ultraviolet A radiation. C) ... (Read 133 times)

Awilson837

Hero Member
Posts: 509

on: Jul 12, 2018

A primary cause of skin cancer is

A) ultraviolet B radiation.
B) ultraviolet A radiation.
C) photochemical smog.
D) irritants in cosmetic products.

Question 2

The ozone layer of the stratosphere protects the Earth from

A) chlorofluorocarbons .
B) extreme temperature fluctuations.
C) UVB radiation.
D) greenhouse gases.

anyusername12131

Sr. Member
Posts: 327

Reply #1 on: Jul 12, 2018

Answer to Question 1

A

Answer to Question 2

C

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