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Author Question: How deep is the photic layer usually along the coasts? a. 50 meters b. 100 meters c. 150 meters ... (Read 404 times)

cmoore54

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on: Aug 22, 2018

How deep is the photic layer usually along the coasts?
  a. 50 meters
  b. 100 meters
  c. 150 meters
  d. 590 meters



Question 2

What biological chemical is important in heredity of traits?
  a. Carbohydrates
  b. Nucleic acids
  c. Lipids
  d. Proteins



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wergv

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

ANS: B
Most coastal areas have approximately 100 meters of photic zone. This is due to an abundance of
organisms and dissolved particles. These scatter much of the incoming light. Information can be found
in the section Environmental Factors Influence the Success of Marine Organisms.



Answer to Question 2

ANS: B
Nucleic acids are mostly made from four different elementsoxygen, carbon, nitrogen, and hydrogen.
This once again indicates the unity of all life on Earth. Information can be found in the section Living
Organisms Are Built from a Few Elements.



cmoore54

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Reply #2 on: Aug 22, 2018
Both answers were spot on, thank you once again


wergv

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Reply #3 on: Aug 22, 2018
Great! Please up vote :D


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