One way of investigating how a prehistoric tool was used is to ...

[mwit1967]

One way of investigating how a prehistoric tool was used is to compare its visible
   and microscopic markings with wear marks produced when archaeologists use similar
   tools today experimentally.
 
  Indicate whether the statement is true or false

Question 2

The Gardners trained a chimp named Washoe to communicate symbolically using American Sign Language.
 
  Indicate whether the statement is true or false

[LVPMS]

Answer to Question 1

TRUE

Answer to Question 2

TRUE

[mwit1967]

Thanks for the timely response, appreciate it

[peter]

TYSM