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Author Question: The principal gases responsible for the greenhouse effect are a. water vapor and oxygen. b. oxygen ... (Read 119 times)

chads108

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on: Jul 28, 2018
The principal gases responsible for the greenhouse effect are
 a. water vapor and oxygen.
  b. oxygen and nitrogen.
  c. carbon dioxide and nitrogen.
  d. carbon dioxide and water vapor.

Question 2

Who discovered the electron in 1897?
 a. Ernest Rutherford
  b. James Chadwick
  c. J. J. Thomson
  d. Niels Bohr


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poopface

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

d

Answer to Question 2

c


chads108

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Reply 2 on: Jul 28, 2018
Excellent

olderstudent

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Reply 3 on: Yesterday
Gracias!

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