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Author Question: Describe the various methods used to desalinate seawater. What will be an ideal ... (Read 31 times)

haleyc112

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on: Aug 22, 2018
Describe the various methods used to desalinate seawater.
 
  What will be an ideal response?

Question 2

The sand star Astropectean is an example of a heterotroph that feeds by ________ feeding.
 
  A) active predation
  B) deposit
  C) filter
  D) passive predation
  E) photosynthetic


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fffftttt

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

Electrolysis Method: A current is run through positive and negative electrodes in freshwater separated by semipermeable membranes from seawater. Distillation Method: Saltwater is boiled and the water vapor is passed through a cooling condenser, where it condenses as freshwater. Freeze Separation Method: Seawater is frozen and thawed multiple times, with the salts washed from the ice between each thawing. Reverse Osmosis Method: Water on the salty side of a semipermeable membrane is pushed under high pressure through the membrane to the freshwater side.

Answer to Question 2

A


haleyc112

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Reply 2 on: Aug 22, 2018
Thanks for the timely response, appreciate it

daiying98

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Reply 3 on: Yesterday
Excellent

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