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Author Question: Which naturally occurring odorless, colorless gas seeps into homes and is a leading cause of lung ... (Read 99 times)

jparksx

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on: Jul 12, 2018
Which naturally occurring odorless, colorless gas seeps into homes and is a leading cause of lung cancer?
 
  A) radon
  B) asbestos
  C) lead
  D) mold

Question 2

One in four animals is threatened with extinction because of population growth as a result of human activity.
 
  Indicate whether the statement is true or false.


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Animal_Goddess

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Reply #1 on: Jul 12, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: TRUE


jparksx

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Reply 2 on: Jul 12, 2018
Excellent

ktidd

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Reply 3 on: Yesterday
Gracias!

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