Before the Industrial Revolution, humans increased the amount of ...

[cookcarl]

Before the Industrial Revolution, humans increased the amount of product derived from one unit of land and labor by
 
  A) the use of hydraulic pumps.
  B) the use of windmills to grind grain.
  C) the use of sails to power ocean going ships.
  D) developing new crop varieties.
  E) all of the above.

Question 2

Lewis Henry Morgan defined the stages of unilineal cultural evolution according to level of technology.
 
  Indicate whether the statement is true or false

[mcinincha279]

Answer to Question 1

E

Answer to Question 2

TRUE

[cookcarl]

Wow, this really help

[nanny]

Thanks for the timely response, appreciate it