This topic contains a solution. Click here to go to the answer

Author Question: What are Harris lines? A. traces of ancient irrigation systems in highland Peru B. late ... (Read 129 times)

rachel9

  • Sr. Member
  • ****
  • Posts: 495
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



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

reversalruiz

  • Sr. Member
  • ****
  • Posts: 327
Answer to Question 1

Answer: D

Answer to Question 2

Answer: B




rachel9

  • Member
  • Posts: 495
Reply 2 on: Aug 11, 2018
Excellent


Liamb2179

  • Member
  • Posts: 365
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

For a complete list of videos, visit our video library