COMPOUND WORDS 
air pollution | {n} | (contamination of the atmosphere by noxious gases and particulates) | light pollution | {n} | (excess artificial light) | noise pollution | {n} | (excessive noise) | pollution | {n} | (the contamination of the environment by harmful substances) | water pollution | {n} | (water pollution) 
   5000 WORDS 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   PHRASES
  
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