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Author Question: The earth system: A) cannot be affected by anything from space. B) is powered solely by the Sun. ... (Read 54 times)

jake

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on: Jul 14, 2018
The earth system:
 
  A) cannot be affected by anything from space. B) is powered solely by the Sun.
  C) is the highest level of system possible. D) includes parts that affect one another.

Question 2

Which of the following heavy metals is/are associated with damage to the human nervous system?
 
  A) radon
  B) lead
  C) mercury
  D) mercury, lead, and radon
  E) mercury and lead
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anyusername12131

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

D

Answer to Question 2

E


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