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Author Question: The study of ______ shows that there is significantly more carbon dioxide in the earth's atmosphere ... (Read 46 times)

EY67

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on: Jul 10, 2018
The study of ______ shows that there is significantly more carbon dioxide in the earth's atmosphere than at any time in the last 800,000 years.
 
  a. ice core data
  b. earth's electromagnetic field
  c. aurora borealis analyses
  d. coral reefs
  e. eyes chordata

Question 2

________ is the most significant contributor to global warming. We currently release 35 billion of this substance into the atmosphere every year.
 
  a. O2
  b. O3
  c. U2
  d. H2O
  e. CO2


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Jossy

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Reply #1 on: Jul 10, 2018
Answer to Question 1

A

Answer to Question 2

E


EY67

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Reply 2 on: Jul 10, 2018
Thanks for the timely response, appreciate it

sultansheikh

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Reply 3 on: Yesterday
Gracias!

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