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pollution (causes (exhaust fumes, toxic chemicals, rubbish, pesticized,…
pollution
causes
exhaust fumes
toxic chemicals
rubbish
pesticized
sewage
fertilized
factory fumes
land pollution
rubbish
toxic chemicals
sewage
fertilized
pesticizeds
water pollution
toxic chemicals
rubbish
pesticized
fertilized
sewage
recycling
materials
rubbish
paper
petroil
metal
glass
plastic