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Author Question: The secondary pollutant ozone is the main ingredient in photochemical smog-a smog that irritates the ... (Read 143 times)

cdr_15

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on: Jul 13, 2018
The secondary pollutant ozone is the main ingredient in photochemical smog-a smog that irritates the eyes and forms in the presence of sunlight.
  Indicate whether the statement is true or false

Question 2

Which region of the sun's electromagnetic spectrum is most responsible for human skin cancer?
 A) infrared
  B) ultraviolet
  C) visible
  D) near infrared


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millet

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Reply #1 on: Jul 13, 2018
Answer to Question 1

True

Answer to Question 2

B


cdr_15

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Reply 2 on: Jul 13, 2018
Excellent

xiazhe

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Reply 3 on: Yesterday
:D TYSM

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