This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Using livestock as an energy source was helpful because the work the animals did replaced many human ... (Read 60 times)

Destiiny22

  • Hero Member
  • *****
  • Posts: 557
on: Jul 21, 2018

Using livestock as an energy source was helpful because the work the animals did replaced many human
  laborers. Whereas tilling an acre would take one human ____ hours, the same work could now be done using
  livestock in ____ hours.


 
 

a. 160; 40
  b. 160; 20
  c. 140; 60
  d. 140; 20



Question 2

A physical anthropologist studies the:
 
 

a. process of continental drift
  b. development of human beings
  c. nature of heat and combustion
  d. way water is used to generate electricity



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kishoreddi

  • Sr. Member
  • ****
  • Posts: 329
    • Your online Help in Biology and chemistry
Reply #1 on: Jul 21, 2018
Answer to Question 1

A

Answer to Question 2

B


Destiiny22

  • Member
  • Posts: 557
Reply 2 on: Jul 21, 2018
Gracias!

ultraflyy23

  • Member
  • Posts: 312
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Energy costs of locomotion. Energy costs of locomotion.
Sites of mtDNA mutations in certain human diseases Sites of mtDNA mutations in certain human diseases
Work and Gender: Women at Work in India Work and Gender: Women at Work in India
Looking carefully at the scan tool data is very helpful in locating the source of a problem. Looking carefully at the scan tool data is very helpful in locating the source of a problem.
DDT impact on human health DDT impact on human health
A chemical reaction is run in which 447 Joules of work is done by the system and A chemical reaction is run in which 447 Joules of work is done by the system and
Video: Acid-base imbalances - compensation of respiratory acidosis and alkalosis

For a complete list of videos, visit our video library