Gerhard Lenski argues that, eventually, we can expect ...

[jrubin]

Gerhard Lenski argues that, eventually, we can expect technological invention to solve problems of peace and justice around the world.
 
  Indicate whether the statement is true or false

Question 2

To identify cause-and-effect relationships, it is usually necessary to exercise experimental control of variables.
 
  Indicate whether the statement is true or false

[mceravolo]

Answer to Question 1

F

Answer to Question 2

T