Some 
 spendsChange the verb form
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  too much 
 on their 
 because 
thisChange the determiner
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  small gadgets give 
wideCorrect article usage
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  range 
optionsChange preposition
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  to do and these activities make them addictive. These bring lots of drawbacks that 
effectCorrect your spelling
show examples
  their 
 health and future 
. 
Smartphones open 
gateAdd an article
show examples
  to 
differentAdd an article
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  universe 
thatCorrect word choice
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  you can play 
gameFix the agreement mistake
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 , 
listenAdd the preposition
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  music or 
textingWrong verb form
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  with your friends at the same 
 without 
spendChange the verb form
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  any 
. 
 variety of action with less effort 
makeChange the verb form
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  people 
Correct word choice
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addictiveReplace the word
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  because our brains 
notAdd a missing verb
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  programmed to do these things without energy consumption in a short 
. 
, companies , 
Correct pronoun usage
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whoCorrect pronoun usage
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  developsChange the verb form
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   for 
, 
Wrong verb form
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workingWrong verb form
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  with 
specialAdd an article
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  scientist to find a way 
Change preposition
show examples
forChange preposition
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  influence people 
Correct quantifier usage
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more Fix the agreement mistake
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 to use their application and 
 effectCorrect your spelling
show examples
   more because they 
Verb problem
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are Unnecessary verb
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 lack of from self control. 
TheirChange the word
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  front brain area which is responsible for addiction is 
 until 
Correct pronoun usage
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 and 
 weakness 
increaseChange the verb form
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  their 
 spendingReplace the word
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  on mobile devices.  
 who spend hours 
inChange preposition
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  their 
 facing withWrong verb form
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  negative outcomes. 
, it reduces their 
 movement during 
weekAdd an article
show examples
  which 
increaseChange the verb form
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  obesity risks and 
reduceChange the verb form
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  their muscle density. 
, when they spend more 
 on the screen, they are taking more blue light from devices 
thatCorrect pronoun usage
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  affectCorrect subject-verb agreement
show examples
  their sleep quality and 
 alterChange the verb form
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  their brain development too. 
, using mobile 
 reduceCorrect subject-verb agreement
show examples
  their attention 
 which 
followedAdd a missing verb
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  by reduced focus 
thatCorrect determiner usage
show examples
  most crucial element for building 
Correct article usage
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 career in 
longAdd an article
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  term. 
, they spend 
less hourFix the agreement mistake
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  with their which 
causeCorrect subject-verb agreement
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  toCorrect pronoun usage
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  less developed social skills. 
In conclusion, 
 have different 
reasonFix the agreement mistake
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  to 
over useCorrect your spelling
show examples
  smartphones and if their parents don’t monitor 
’s screen 
, they will face 
with Change preposition
show examples
 serious issues.