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Author Question: The technology of a passive solar flat-plate collector features all of the following, except A) a ... (Read 63 times)

charchew

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on: Jul 16, 2018
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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Reply #1 on: Jul 16, 2018
Answer to Question 1

A

Answer to Question 2

A


charchew

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Reply 2 on: Jul 16, 2018
Wow, this really help

duy1981999

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

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