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Author Question: Earth's average temperature has risen by how much in the past 100 years? A) 0.5F B) 1.5F C) ... (Read 114 times)

abern

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on: Jul 12, 2018
Earth's average temperature has risen by how much in the past 100 years?
 
  A) 0.5F
  B) 1.5F
  C) 2.5F
  D) 3.5F

Question 2

The ozone layer is
 
  A) close to Earth and poses no serious health threats.
  B) in the stratosphere and protects the planet from UVB radiation.
  C) a harmful chemical that is produced when oxygen interacts with water.
  D) a layer of toxic gas produced by the discharge of aerosols, refrigerants, and solvents high into the earth's stratosphere.


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Carissamariew

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Reply #1 on: Jul 12, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: B


abern

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Reply 2 on: Jul 12, 2018
Gracias!

aliotak

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Reply 3 on: Yesterday
Excellent

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