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Author Question: The critical part of the atmosphere for protecting life on the ground from excessive ultraviolet ... (Read 78 times)

leo leo

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The critical part of the atmosphere for protecting life on the ground from excessive ultraviolet radiation is the
 
  A) hydrosphere.
  B) troposphere.
  C) ozone layer.
  D) stratosphere.
  E) ionosphere.

Question 2

Capella is the same temperature as our Sun, but about ten times the Sun's diameter; it must be about ________ times as luminous as our star.
 
  Fill in the blank(s) with correct word



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Jossy

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Answer to Question 1

C

Answer to Question 2

100




leo leo

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Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)


brbarasa

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Reply 3 on: Yesterday
Gracias!

 

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