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Author Question: The only substance that can exist as a gas, liquid, and solid at common Earth temperatures is A) ... (Read 31 times)

magmichele12

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on: Jul 14, 2018
The only substance that can exist as a gas, liquid, and solid at common Earth temperatures is
 
  A) carbon.
  B) nitrogen.
  C) water.
  D) oxygen.

Question 2

The thin layer of living things, of which we are an inseparable part, is the
 
  A) lithosphere.
  B) hydrosphere.
  C) biosphere.
  D) troposphere.


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cat123

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

Answer: C

Answer to Question 2

Answer: C


magmichele12

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Reply 2 on: Jul 14, 2018
Gracias!

AmberC1996

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Reply 3 on: Yesterday
Wow, this really help

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