7.2 Energy sources — uses and management Quiz
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5 questions, one answer each
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1. Which is a way for a country to improve its energy security?
- A. Relying on a single supplier
- B. Diversifying energy sources and suppliers
- C. Increasing energy waste
- D. Stopping all renewable development
2. Nuclear power is best described as:
- A. Renewable and low-carbon
- B. Non-renewable and low-carbon
- C. Renewable and high-carbon
- D. Non-renewable and high-carbon
3. Which fuels does the global economy mostly depend on?
- A. Biomass and wind
- B. Coal, oil and natural gas
- C. Uranium and hydrogen
- D. Solar and tidal
4. Why is large-scale battery storage not impact-free?
- A. Batteries release CO₂ in use
- B. Mining, transport, processing and construction cause emissions and pollution
- C. Batteries are renewable
- D. Batteries need no raw materials
5. Why do wind and solar farms need energy storage?
- A. They are non-renewable
- B. Their output is intermittent
- C. They produce radioactive waste
- D. They only work in winter