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Author Question: Together, three natural elements make up 99 of the Earth's biomass. Which of the following is not ... (Read 83 times)

segrsyd

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Together, three natural elements make up 99 of the Earth's biomass. Which of the following is not one of those three elements?
 
  A) oxygen (O)
  B) hydrogen (H)
  C) nitrogen (N)
  D) carbon (C)

Question 2

In the soil, which of the separates are associated with significant chemical activity?
 
  A) Sand
  B) Silt
  C) Clay
  D) Aluminum
  E) Radium



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chereeb

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Answer to Question 1

C

Answer to Question 2

Answer: C




segrsyd

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Reply 2 on: Jul 14, 2018
Wow, this really help


carojassy25

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

 

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