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Author Question: The largest single cause of extinctions is toxic substance pollution. Indicate whether the ... (Read 158 times)

cagreen833

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on: Jul 14, 2018
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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Reply #1 on: Jul 14, 2018
Answer to Question 1

Answer: FALSE

Answer to Question 2

Answer: FALSE


cagreen833

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Reply 2 on: Jul 14, 2018
Excellent

yeungji

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Reply 3 on: Yesterday
Gracias!

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