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 142 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
:D TYSM


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

 

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

For a complete list of videos, visit our video library