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Author Question: Tiny solid or liquid particles of various compositions that are suspended in the atmosphere are ... (Read 146 times)

abarnes

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Tiny solid or liquid particles of various compositions that are suspended in the atmosphere are called ____.
 A) aerosols
  B) carcinogens
  C) greenhouse gases
  D) chlorofluorocarbons

Question 2

Which gas in the upper atmosphere shields Earth's surface from the sun's harmful ultraviolet rays?
 A) nitrogen
  B) methane
  C) ozone
  D) chlorofluorocarbons



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Li Jun

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Answer to Question 1

A

Answer to Question 2

C




abarnes

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Reply 2 on: Jul 13, 2018
Excellent


Chelseyj.hasty

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Reply 3 on: Yesterday
Gracias!

 

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