Author Question: A primary cause of skin cancer is A) ultraviolet B radiation. B) ultraviolet A radiation. C) ... (Read 93 times)

Awilson837

  • Hero Member
  • *****
  • Posts: 509
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
Answer to Question 1

A

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

For a complete list of videos, visit our video library