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mahi mahi
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7 years ago
Which of the following was NOT a cause of increased agricultural production in the Zhou period?
 
  a. Iron plowshares
  b. The collar harness.
 c. leaving fallow land to rest.
  d. fertilizer
 e. crop rotation
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Beehappy2Beehappy2
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7 years ago
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mahi Author
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7 years ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
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Yesterday
Thank you, thank you, thank you!
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2 hours ago
You make an excellent tutor!
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