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Author Question: Global warming a. has not yet been observed b. has been caused by increasing levels of carbon ... (Read 53 times)

saraeharris

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on: Jul 28, 2018
Global warming
 a. has not yet been observed
  b. has been caused by increasing levels of carbon dioxide in the atmosphere
  c. has led to a depletion of the ozone layer in the atmosphere
  d. has no serious consequences

Question 2

What's the Big Bang?
 a. the creation of the universe
  b. microwave radiation from all directions in the sky
  c. the Hubble relation
  d. a punk rock band


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Mollythedog

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Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

A


saraeharris

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Reply 2 on: Jul 28, 2018
Excellent

bdobbins

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Reply 3 on: Yesterday
Gracias!

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