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Author Question: The refractive index of seawater:a. is greater than freshwater. b. is less than freshwater. c. ... (Read 108 times)

09madisonrousseau09

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on: Aug 22, 2018

The refractive index of seawater:a.
   is greater than freshwater.
  b. is less than freshwater.
  c. is equal to freshwater.
  d. decreases with increasing salinity



Question 2

How does the absorption of light provide heat energy in the ocean?
  a. The addition of light increases the heat capacity of molecules.
  b. The light makes water molecules vibrate and then the electromagnetic energy is converted
  to heat energy.
  c. The light energy is absorbed by photosynthetic organisms which convert it to heat energy.
  d. Tiny suspended particles absorb heat and transfer it to the ocean.



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Anton

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

ANS: A
The refractive index of seawater is greater than freshwater. As the salinity of water increases, the
refractive index increases as well. Information can be found in the section Refraction Can Bend the
Paths of Light and Sound through Water



Answer to Question 2

ANS: B
When light energy is applied to molecules, the molecules begin to vibrate. The light's electromagnetic
energy is then converted to heat energy which can be used in many processes of life. Information can
be found in the section Light Does Not Travel Far through the Ocean.



09madisonrousseau09

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Reply 2 on: Aug 22, 2018
Great answer, keep it coming :)

jojobee318

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Reply 3 on: Yesterday
Gracias!

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