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Author Question: Which of Earth's four physical systems is a living system? A) atmosphere B) hydrosphere C) ... (Read 197 times)

FButt

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Which of Earth's four physical systems is a living system?
 
  A) atmosphere
  B) hydrosphere
  C) biosphere
  D) lithosphere

Question 2

A group of organisms and the nonliving physical and chemical environment in which they interact is
 
  A) a biosphere.
  B) an ecosystem.
  C) a closed system.
  D) a vernacular region.



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ciecieme

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Answer to Question 1

Answer: C

Answer to Question 2

Answer: B




FButt

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Reply 2 on: Jul 14, 2018
Thanks for the timely response, appreciate it


debra928

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Reply 3 on: Yesterday
Excellent

 

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