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Author Question: The largest single cause of extinctions is toxic substance pollution. Indicate whether the ... (Read 109 times)

cagreen833

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The largest single cause of extinctions is toxic substance pollution.
 
  Indicate whether the statement is true or false.

Question 2

Ecosystems contain organic elements only.
 
  Indicate whether the statement is true or false.



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Athena23

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Answer to Question 1

Answer: FALSE

Answer to Question 2

Answer: FALSE




cagreen833

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Reply 2 on: Jul 14, 2018
Gracias!


ryhom

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Reply 3 on: Yesterday
Excellent

 

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