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Author Question: The Taconic, Caledonian, and Acadian orogenies were all part of the same major orogenic event ... (Read 87 times)

frankwu

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on: Jul 13, 2018
The Taconic, Caledonian, and Acadian orogenies were all part of the same major orogenic event related to the closing of the Iapetus Ocean.
  Indicate whether the statement is true or false

Question 2

Which statement about arsenic is false?
 A)It is odorless and tasteless.
 B)It contaminates groundwater via natural processes.
 C)It harms the nervous system and may cause birth defects.
 D)Reducing the amount of arsenic in water will increase the cost of water.
 E)Arsenic concentrations are uniform across the U.S.


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BAOCHAU2803

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

True

Answer to Question 2

E


frankwu

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Reply 2 on: Jul 13, 2018
Thanks for the timely response, appreciate it

phuda

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Reply 3 on: Yesterday
Wow, this really help

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