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Author Question: Earth's continental crust ranges in thickness from about a. 98 to 140 km. b. 19 to 40 km. c. 5 to ... (Read 21 times)

laurencescou

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on: Jul 28, 2018
Earth's continental crust ranges in thickness from about
 a. 98 to 140 km.
  b. 19 to 40 km.
  c. 5 to 26 km.
  d. 8 to 16 km.

Question 2

Which element is used in safety flares and fireworks because it burns so brightly?
 a. Potassium
  b. Magnesium
  c. Carbon
  d. Chlorine


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irishcancer18

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Reply #1 on: Jul 28, 2018
Answer to Question 1

b

Answer to Question 2

b


laurencescou

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Reply 2 on: Jul 28, 2018
Gracias!

debra928

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Reply 3 on: Yesterday
Excellent

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