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anda healthier in cleanerskres 49 E x p l a itnh e t a s k R e a dt h e t o p i cs e n t e n c easl o u da n da s k S st o c o m n l e t teh e t a s k C h e c kS s 'a n s w e r s Cleaningup theAir in our CitY SuggestedAnswerKey Howcanwecleanup theair rnourcitres? Toomuchtraffic in the crtycentre,factories pollutingthe air and too much 1 Firstly,fossilfuels are non-renewable resources. Also,
anda healthier in cleanerskres 49 E x p l a itnh e t a s k R e a dt h e t o p i cs e n t e n c easl o u da n da s k S st o c o m n l e t teh e t a s k C h e c kS s 'a n s w e r s Cleaningup theAir in our CitY SuggestedAnswerKey Howcanwecleanup theair rnourcitres? Toomuchtraffic in the crtycentre,factories pollutingthe air and too much 1 Firstly,fossilfuels are non-renewable resources. Also,
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