1) Which image does represent better the organic waste ? a) b) c) d) e) f) 2) Which image does represent better the inorganic waste ? a) b) c) d) e) f) 3) What is the best way to classify the waste in the image? a) cardboard b) glass  c) plastic d) metal e) paper  f) biological hazard  4) What is the best way to classify the waste in the image? a) paper b) biological hazard c) metal d) glass e) cardboard  f) plastic 5) What is the best way to classify the waste in the image? a) biological hazard b) glass c) plastic d) paper e) metal f) cardboard 6) What is the best way to classify the waste in the image? a) cardboard b) metal c) paper  d) biological hazard e) glass f) plastic 7) What is the best way to classify the waste in the image? a) biological hazard b) metal c) glass d) paper e) plastic f) cardboard 8) Which materials can decompose naturally in a short amount of time ? a) Biodegradable b) Nonbiodegradable  c) metals d) papers  e) glasses f) plastics  9) Which materials take a long of time to decompose ? a) metals b) papers c) plastics d) Nonbiodegradable e) glasses f) cardborads 10) Which of the next images does represent biodegradable waste? a) b) c) d) e) f) 11) Which of the next images does represent nonbiodegradable waste? a) b) c) d) e) f)

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