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Author Question: With respect to reactivity, oxygen is best classified as A) highly reactive. B) somewhat ... (Read 23 times)

debasdf

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on: Aug 27, 2018
With respect to reactivity, oxygen is best classified as
 
  A) highly reactive.
  B) somewhat reactive.
  C) relatively unreactive.
  D) comparable to helium in its reactivity.

Question 2

A major source of oxygen on Earth is
 
  A) snow.
  B) ocean-based phytoplankton.
  C) plants.
  D) decomposition of water in the oceans.


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stillxalice

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

A

Answer to Question 2

B


debasdf

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Reply 2 on: Aug 27, 2018
Excellent

xiazhe

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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