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Author Question: Carbon dioxide is a gas which causes environmental concern because of the greenhouse effect. What is ... (Read 84 times)

rlane42

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on: Aug 27, 2018
Carbon dioxide is a gas which causes environmental concern because of the greenhouse effect. What is the approximate percentage (by volume) of CO2 in the atmosphere?
 
  A) less than 0.1
  B) about 1
  C) about 10
  D) more than 20

Question 2

Calcium carbide is a solid source of acetylene.
 
  Indicate whether the statement is true or false
Chemistry: The Central Science ¦ Brown, LeMay, Bursten ¦ 14th Edition
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cegalasso

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

A

Answer to Question 2

TRUE


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