Quiz: Dirty Rare Metals

Quiz: Dirty Rare Metals

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Question 1 of 6

1. Question
Why are rare metals also called “black gold”?
- Because of their black colour and high value.
- Because of their similarity to gold in terms of (chemical) characteristics and value.
- Because of their importance in the transition to an energy system based on renewables.
- Because without them, green technologies, like wind turbines or electric cars, would not work.
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Question 2 of 6

2. Question
How do the extraction and refinement of rare metals cause environmental damage?
- By extracting rock by means of large amounts of acids.
- By contaminating water with heavy metals.
- By consuming enormous quantities of water during the purification process of the rare-earth elements.
- By releasing greenhouse gas emissions during the extraction process.
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Question 3 of 6

3. Question
Also thanks to its policy of capturing evermore the mining value chain, China was in 2018…
- the number one producer of photovoltaic systems.
- the principal market for renewable-fuel cars.
- the world's number one polluting nation.
- the largest investor in wind power.
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Question 4 of 6

4. Question
Right next to China, which other countries are significant sources of rare metals for which demand will massively increase in the future?
- The Democratic Republic of the Congo
- Venezuela
- Argentina
- South Africa
- Russia
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Question 5 of 6

5. Question
What elements are Green parties in Europe pushing for to halt the rush to expand mining?
- Ecodesign
- An end to planned obsolescence
- The development of alternatives to and the recycling of rare metals
- All of the above
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Question 6 of 6

6. Question
What benefits of re-opening mines in Europe does the author cite?
- More effective monitoring of resource origins
- Improved mining conditions
- A better green technology carbon footprint
- All of the above
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