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Author Question: Not all rigid substances are crystalline solids; natural and manufactured glass lack the ordered ... (Read 43 times)

michelleunicorn

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Not all rigid substances are crystalline solids; natural and manufactured glass lack the ordered arrangement of atoms and are said to be ___________________ _, meaning without form.
 Fill in the blank(s) with correct word

Question 2

Background extinction refers to ____.
 A)the continual extinction of species
 B)a small mass extinction
 C)the total number of extinctions in the history of Earth
 D)the extinction before a mass extinction
 E)the small extinctions that make up a mass extinction



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pallen55

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Answer to Question 1

amorphous

Answer to Question 2

A




michelleunicorn

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Reply 2 on: Jul 13, 2018
Excellent


atrochim

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Reply 3 on: Yesterday
Gracias!

 

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