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Author Question: What factor is rarely a difficulty for marine organisms? a. salinity b. pHhydrostatic pressure c. ... (Read 28 times)

tiara099

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on: Aug 22, 2018

What factor is rarely a difficulty for marine organisms?
  a. salinity
  b. pHhydrostatic pressure
  c. iron availability
  d. iron availability



Question 2

What is a major source of nitrate to coastal waters?
  a. excretion
  b. soil runoff
  c. urea
  d. nitrifying bacteria
  e. atmospheric deposition



fatboyy09

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

c

Answer to Question 2

b


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