Author Question: Gaseous combinations of hydrogen and carbon are called A) carbonates. B) hydrocarbons. C) ... (Read 73 times)

nenivikky

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Gaseous combinations of hydrogen and carbon are called
 
  A) carbonates.
  B) hydrocarbons.
  C) particulates.
  D) carbonic oxides.

Question 2

The collection of organisms and their nonliving surroundings that functions as a unit is called the
 
  A) habitat.
  B) atmosphere.
  C) environment.
  D) ecosystem.



vkodali

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Answer to Question 1

Answer: B

Answer to Question 2

Answer: D



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