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Author Question: Early farmers in America were not able to use commercial fertilizers to improve cropland, instead ... (Read 217 times)

abern

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Early farmers in America were not able to use commercial fertilizers to improve cropland, instead the _____ method was used.
 
  a. slash-and-burn
  b. squat-and-farm
  c. soil improvement
  d. organic

Question 2

Breathing, or gas exchange, takes place in tissue called _____.
 
  a. setae
  b. chelicerae
  c. accordion lobes
  d. booklungs



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jamesnevil303

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Answer to Question 1

c

Answer to Question 2

D




abern

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Reply 2 on: Jul 21, 2018
Gracias!


yeungji

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Reply 3 on: Yesterday
:D TYSM

 

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