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Author Question: The technology of a passive solar flat-plate collector features all of the following, except A) a ... (Read 72 times)

charchew

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The technology of a passive solar flat-plate collector features all of the following, except
 
  A) a transparent glass or plastic cover.
  B) black interior surface.
  C) electrical backup for cloudy days.
  D) an array of tubes through which water passes.

Question 2

The feeding of a flea on a dog's blood and your case of athlete's foot illustrate examples of
 
  A) parasitism.
  B) commensalism.
  C) amensalism.
  D) mutualism.



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deja

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Answer to Question 1

A

Answer to Question 2

A




charchew

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Reply 2 on: Jul 16, 2018
Gracias!


AmberC1996

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Reply 3 on: Yesterday
Wow, this really help

 

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