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Author Question: Materials from fire extinguishers can cause ozone depletion. What will be an ideal ... (Read 85 times)

cmoore54

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on: Jul 28, 2018
Materials from fire extinguishers can cause ozone depletion.
 
  What will be an ideal response?

Question 2

What information is available that can allow people to give quantitative measures of climate in earlier times? Give examples.
 
  What will be an ideal response?


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Sammyo

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

Yes. As discussed in this chapter, bromine compounds used in fire extinguishers
do cause ozone depletion in the stratosphere. Bromine and chlorine behave similarly.

Answer to Question 2

There are many avenues of evidence. In historical times, we have human
descriptions in diaries and books. For earlier times, there is evidence from ice cores, from
pollen buried in lake sediments, from oxygen isotope ratios in the shells of diatoms on the
ocean floor, etc.


cmoore54

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Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

upturnedfurball

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Reply 3 on: Yesterday
Gracias!

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