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Missmina01 Missmina01
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6 years ago
When a country's number of live births and immigrations simply replaces the number of deaths and emigrations, it is said to have achieved
 
  A) negative population growth.
  B) zero population growth.
  C) ecobalance.
  D) sustainability.



The ability to meet our current needs without compromising future generations' ability to meet their own needs is referred to as
 
  A) sustainability.
  B) protection.
  C) recycling.
  D) guardianship.



That brownish, murky mixture of pollutants in the air that often hangs over Los Angeles and Beijing, among other cities, is termed
 
  A) greenhouse gas.
  B) outgas.
  C) acid rain.
  D) smog.



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



The collection of organisms and their nonliving surroundings that functions as a unit is called the
 
  A) habitat.
  B) atmosphere.
  C) environment.
  D) ecosystem.
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BonesBones
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Posts: 307
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6 years ago
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Missmina01 Author
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6 years ago
Exactly what I needed for my quiz Smiling Face with Open Mouth
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