The neighbourhood meal review. Volunteers compare two fictional event totals, then explain why a lower amount of waste does not prove which change caused it.
Reading storyB27 min7 sentencesUnit: B2 · Environment and public policy: explain causes and effects
Tap any underlined word for its meaning. Show the English for a sentence when you need it.
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Check your understanding3 quick questions
1. What was the difference between the two waste measurements?
2. Why could the team not attribute the full change to the portion system?
3. What will the team record during the next trial?
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