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Author Question: What is the greatest source of oxygen in deep water? a. The respiration from bacteria b. The lack ... (Read 79 times)

bobbie

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on: Aug 22, 2018

What is the greatest source of oxygen in deep water?
  a. The respiration from bacteria
  b. The lack of large quantities of organisms
  c. Chemosynthesis
  d. Polar waters that have sunk from the surface



Question 2

What is the colligative property of osmotic pressure?
  a. The pressure exerted on biological membranes from the atmosphere
  b. The pressure exerted on biological membranes from salinity differences outside the cells
  c. The pressure exerted on biological membranes during temperature changes of water
  d. The pressure exerted on biological membranes when surrounding waters phase change



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Ksh22

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

ANS: D
Polar waters are very rich in nutrients, including oxygen. This water sinks from the surface in these
regions and then circulated through deep water. Information can be found in the section Gases
Dissolve in Seawater



Answer to Question 2

ANS: B
Osmotic pressure rises with increasing salinity. This allows for the transmittance of water in and out of
cells. Information can be found in the section Seawater Consists of Water and Dissolved Solids.



bobbie

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Reply 2 on: Aug 22, 2018
Gracias!

billybob123

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Reply 3 on: Yesterday
Excellent

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