Co-funded by the European Union (2023-2-ES01-KA210-VET-000180154). Views and opinions expressed are however those of the author(s) only and do not necessarily reflect those of the European Union or the Spanish Service for the Internationalisation of Education (SEPIE). Neither the European Union nor SEPIE can be held responsible for them. Challenge 1 CORRECT ANSWER Explanation: Reducing is the most effective R-strategy for decreasing raw material demand by lowering the amount of material needed from the start. CORRECT ANSWER Explanation: R-strategies like reuse, repair, recycle aim to minimize resource usage and reduce waste, central to the circular economy. 19. In circular economy models, what is the primary goal of implementing R-strategies? a. To increase labour productivity b. To minimize waste and resource consumption c. To enhance product complexity d. To maximize profits regardless of environmental impact Incorrect answers – (a) May be an indirect benefit but not the main goal. – (c) Focus on simplicity and resource efficiency. – (d) Prioritizes sustainability over profit. 20. Which of the following R-strategies is most effective in decreasing raw material demand? a. Repurposing b. Recycling c. Refusing d. Reducing Incorrect answers – (a) Extends material use but does not necessarily lower initial demand. – (b) Recycling reduces demand but less effectively than reducing usage from the beginning. – (c) While refusing can decrease demand for unnecessary items, reducing is a broader and more effective strategy.
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