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Author Question: Not all rigid substances are crystalline solids; natural and manufactured glass lack the ordered ... (Read 110 times)

michelleunicorn

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on: Jul 13, 2018
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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Reply #1 on: Jul 13, 2018
Answer to Question 1

amorphous

Answer to Question 2

A


michelleunicorn

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Reply 2 on: Jul 13, 2018
Gracias!

peter

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Reply 3 on: Yesterday
Excellent

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