There are many problems in developing 
  as 
decliningCorrect article usage
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   of 
 and 
 from 
 and 
. So, to prevent 
  they should build 
landfillAdd an article
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  and 
usingWrong verb form
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  eco-friendlyAdd an article
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  ingredientFix the agreement mistake
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 .
 and 
 should make 
 to decrease big 
problemChange the noun form
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  like 
 pollution and declining 
  in developing 
, 
Correct word choice
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minimalizeWrong verb form
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  health 
problemFix the agreement mistake
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 . 
 is because, many 
 and 
 do not have 
goodAdd an article
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  , they just dispose 
theirChange preposition
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  waste in the 
 and spread out 
fogAdd an article
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  in the 
 without any process as 
filterAdd an article
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 . 
,
 K Correct article usage
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  throwChange the verb form
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  their waste 
inChange preposition
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  the 
 thatCorrect pronoun usage
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  causeChange the verb form
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  biota on the 
 diedChange the verb form
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  and people that live 
inChange preposition
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  the side of 
riverAdd an article
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  cannot utilise 
forCorrect pronoun usage
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  drinkWrong verb form
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  and fishing. It can be 
Add an article
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dangerReplace the word
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  for people, they can be 
contaminationReplace the word
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  fromChange preposition
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  waste toxic. If 
industryCorrect article usage
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  buildChange the verb form
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   it can decrease the number of 
pollutionsFix the agreement mistake
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 .
DecliningCorrect article usage
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   of 
 and 
 pollution in many developing 
 are 
causeCorrect your spelling
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  by 
 and 
 activities can 
be solveChange the verb form
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  by using 
eco-friendlyAdd an article
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  . Putting it more simply, 
eco-friendlyAdd an article
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   does not create 
negativeAdd an article
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  impact 
forChange preposition
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  environmentAdd an article
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  and 
it Correct pronoun usage
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 more 
saveChange the verb form
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  rather 
thatCorrect your spelling
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  using 
 that can make 
problemAdd an article
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  for 
environmentAdd an article
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 . 
, producing 
strawFix the agreement mistake
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  from paper is more eco-friendly than using 
plasticAdd an article
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  strawFix the agreement mistake
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  because when people finish using 
strawFix the agreement mistake
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  they will throw 
itCorrect pronoun usage
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  in toJoin the words
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  rubbishCorrect article usage
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  and 
 that Correct pronoun usage
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 makeWrong verb form
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  from paper will 
be dissolveChange the verb form
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  but 
Add an article
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strawFix the agreement mistake
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  from 
plasticAdd an article
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  cannot 
degradationReplace the word
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 . They should burn the plastic 
 andCorrect word choice
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  it can make 
  decrease.
In conclusion, to prevent 
decliningAdd an article
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   of 
 and 
 from 
 and 
 in developing 
 they should build 
landfillAdd an article
show examples
  and 
usingWrong verb form
show examples
  eco-friendlyAdd an article
show examples
  ingredientFix the agreement mistake
show examples
 . If possible, 
 and 
 should strengthen 
regulationFix the agreement mistake
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  that 
haveChange the verb form
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  impactAdd an article
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  forChange preposition
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  environmentAdd an article
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 .