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Author Question: Ancient societies, such as Neanderthals, used asphalt as a way to glue sharp points made of stone to ... (Read 39 times)

jho37

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on: Jul 21, 2018

Ancient societies, such as Neanderthals, used asphalt as a way to glue sharp points made of stone to wooden spear shafts.
 
 


 
  Indicate whether the statement is true or false.

Question 2

The first step in the refining process, fractional distillation, is the process by which heat is used to separate liquids based on their different freezing temperatures.
 
  Indicate whether the statement is true or false.


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guyanai

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Reply #1 on: Jul 21, 2018
Answer to Question 1

T

Answer to Question 2

F


jho37

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Reply 2 on: Jul 21, 2018
Excellent

emsimon14

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Reply 3 on: Yesterday
Gracias!

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