Individuals who live in urban areas have to 
 with lots of 
 around them in ordinary life. 
 is the most important problem that 
 are dealing with. Yet it can 
be solveChange the verb form
show examples
  by 
reduceChange the verb form
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  the Correct article usage
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  .
Most 
 liveCorrect pronoun usage
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  in metropolitans now have to deal with the 
 that 
hasChange the verb form
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  a big effect on their 
. To explain, most cities now industrializing, so 
that Correct word choice
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 itCorrect pronoun usage
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  have more and more factories 
baseWrong verb form
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  on which 
are wastingWrong verb form
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    as carbon dioxide, sulfur dioxide,etc,make the 
 much 
. 
,these 
  have a bad effect on 
citizensChange noun form
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   causeWrong verb form
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  some 
diseaseFix the agreement mistake
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  related to 
Correct article usage
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lungChange the noun form
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  like pneumonia or lung 
cancelCorrect your spelling
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 . 
, in some 
 areas, they have 
studyWrong verb form
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  that it 
unsuitableAdd a missing verb
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  for 
 to live in 
 the 
  and the rate of 
 have lung 
cancelCorrect your spelling
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  in cities 
areCorrect subject-verb agreement
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  much higher than in rural areas.
This Change the determiner
This problem
These problems
show examples
  can 
be solveChange the verb form
show examples
  by 
reduceChange the verb form
show examples
  the Correct article usage
show examples
   in metropolitans. By the 
 to explain, 
mostAdd an article
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  factoryFix the agreement mistake
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  should stop 
waistingCorrect your spelling
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   by 
findWrong verb form
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  a new 
wayFix the agreement mistake
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  to produce that won't 
effectCorrect your spelling
show examples
  the environment 
 as use biology energy , 
useWrong verb form
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  resources energy. 
, 
 can plant more trees to reduce 
the Correct article usage
show examples
  .
in conclusion, 
 is the biggest 
problemsFix the agreement mistake
show examples
  that individuals who live in 
 areaFix the agreement mistake
show examples
  have to deal with 
 the 
  that the factories cause. 
This Change the determiner
This problem
These problems
show examples
  can 
be solveChange the verb form
show examples
  by 
reduceChange the verb form
show examples
  the amount of 
 that they waste.