Author Question: Which of the following best describes the Distillation Method for desalination? A) A current is ... (Read 27 times)

jho37 · **on:** Aug 22, 2018

Which of the following best describes the Distillation Method for desalination?

A) A current is run through positive and negative electrodes in freshwater separated by semipermeable membranes from seawater.
B) Large icebergs are brought to coastal waters off countries that need freshwater where they are melted.
C) Saltwater is boiled and the water vapor is passed through a cooling condenser, where it condenses as freshwater.
D) Seawater is frozen and thawed multiple times, with the salts washed from the ice between each thawing.
E) Water on the salty side of a semipermeable membrane is pushed under high pressure through the membrane to the freshwater side.

Question 2

When compared to the open ocean, solar energy extends ________ into the water column and concentrations of nutrients are ________ in coastal regions.

A) deeper; greater
B) deeper; lower
C) less; greater
D) less; lower