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Author Question: What do researchers use to directly measure the rate of productivity? A) Carbon-12 B) Biomass C) ... (Read 62 times)

jenna1

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on: Aug 22, 2018
What do researchers use to directly measure the rate of productivity?
 A) Carbon-12
  B) Biomass
  C) Carbon-14
  D) None of these choices

Question 2

Waves tend to be parallel to the shore when they break due to the process of ____.
 A) diffraction
  B) reflection
  C) refraction
  D) reaction


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coreycathey

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Reply #1 on: Aug 22, 2018
Answer to Question 1

C

Answer to Question 2

C


jenna1

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Reply 2 on: Aug 22, 2018
Excellent

komodo7

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Reply 3 on: Yesterday
Wow, this really help

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