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Author Question: What elemental compound comprises up to 95 of the mass of a diatom's cell wall? a. silica (SiO2) ... (Read 96 times)

JGIBBSON

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on: Aug 22, 2018

What elemental compound comprises up to 95 of the mass of a diatom's cell wall?
  a. silica (SiO2)
  b. calcium carbonate
  c. magnesium carbonate
  d. calcium sulfate
  e. sodium bicarbonate



Question 2

Which plankton group operates at one of the most efficient energy conversion rates known?
  a. coccolithophores
  b. dinoflagellates
  c. cyanobacteria
  d. diatoms


  e. zooplankton


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GCabra

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

a

Answer to Question 2

d


JGIBBSON

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Reply 2 on: Aug 22, 2018
Excellent

shailee

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

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