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Author Question: Why are rain and sea ice composed of freshwater? a) Evaporating water does not carry salt ions, ... (Read 110 times)

vicky

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on: Aug 22, 2018
Why are rain and sea ice composed of freshwater?
 
  a) Evaporating water does not carry salt ions, and freezing water expels salt ions.
  b) Rain takes on the ions of the surrounding atmosphere, and ice takes on the ions of the surrounding water.
  c) The statement is false because both rain water and sea ice have salt.
  d) Chloride ion must ionic bond to sodium to form salt, and if sodium is available, salt will be in ice and in rain.
  e) All of the above.

Question 2

In photosynthesis, what two things must come together with light energy input to produce sugar and oxygen?
 
  a) Hydrogen and carbon dioxide
  b) Water and oxygen
  c) Hydrothermal vents and oxygen
  d) Water and hydrogen
  e) Water and carbon dioxide


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Yixagurpuldink

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

A

Answer to Question 2

E


vicky

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Reply 2 on: Aug 22, 2018
Gracias!

elyse44

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

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