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Author Question: What are Harris lines? A. traces of ancient irrigation systems in highland Peru B. late ... (Read 62 times)

rachel9

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on: Aug 11, 2018
What are Harris lines?
 
  A. traces of ancient irrigation systems in highland Peru
  B. late Neolithic plow marks at sites in Great Britain
  C. geographic boundaries of ancient cultivated plants
  D. indications of physiological stress caused by famines

Question 2

The principal effect of plant cultivation for human populations is that it __________.
 
  A. improves the quality of human nutrition by the introduction of proteins and carbohydrates
  B. creates more stable food supplies that support a larger population
  C. creates more leisure time for non-subsistence activities, such as child-rearing D. permits the domestication of herd animals, such as sheep, goats, and cattle


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reversalruiz

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Reply #1 on: Aug 11, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: B


rachel9

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Reply 2 on: Aug 11, 2018
Wow, this really help

EAN94

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

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