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Author Question: Which of Earth's four physical systems is a living system? A) atmosphere B) hydrosphere C) ... (Read 206 times)

FButt

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

Answer: C

Answer to Question 2

Answer: B


FButt

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Reply 2 on: Jul 14, 2018
Gracias!

Viet Thy

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Reply 3 on: Yesterday
Wow, this really help

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