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Author Question: Early farmers in America were not able to use commercial fertilizers to improve cropland, instead ... (Read 275 times)

abern

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on: Jul 21, 2018
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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Reply #1 on: Jul 21, 2018
Answer to Question 1

c

Answer to Question 2

D


abern

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Reply 2 on: Jul 21, 2018
Great answer, keep it coming :)

nathang24

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

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