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Author Question: The critical part of the atmosphere for protecting life on the ground from excessive ultraviolet ... (Read 128 times)

leo leo

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on: Jul 27, 2018
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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Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

100


leo leo

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Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

daiying98

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Reply 3 on: Yesterday
Excellent

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