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A Level H2 Geography Resources Sustainability Quiz
Free A Level H2 Geography Resources Sustainability quiz, Gemma31B AI version, with questions, answers, and A Level-style practice for Singapore students.
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Answer Key - A-Level Geography H2 Quiz: Resources Sustainability
Section A
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Non-renewable resources:
- Fossil fuels (e.g., Coal/Oil/Natural Gas)
- Metallic minerals (e.g., Copper/Iron/Gold) [2 marks: 1 for each type + example]
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Sustainable Yield: The maximum rate at which a renewable resource can be extracted without reducing the base stock or compromising the resource's ability to regenerate for future generations. [3 marks: Definition of yield (1), mention of regeneration/stock (1), context of long-term sustainability (1)]
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Resource 1 Analysis:
- Identification of highest index city (1)
- Identification of lowest index city (1)
- Use of comparative language (e.g., "City A's index is X times higher than City B's") (2)
- Correct referencing of data units (1)
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Environmental Kuznets Curve (EKC): A hypothesized relationship where environmental degradation increases during the early stages of economic growth, reaches a peak, and then declines as income reaches a certain threshold. [4 marks: Definition (2), mention of the inverted-U shape/threshold (1), link to income/GDP (1)]
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Strategic Resources: Resources critical to the economic and national security of a state (e.g., Cobalt, Lithium). [6 marks: Definition (2), explanation of supply chain vulnerability (2), link to geopolitical leverage/conflict (2)]
Section B
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Leaching: High precipitation in tropical regions water percolates through soil dissolves and carries away soluble nutrients (cations) results in nutrient-poor, acidic soils (oxisols). Sustainability is maintained only through rapid nutrient cycling from the litter layer. [6 marks: Process of percolation (2), removal of nutrients (2), impact on soil quality (2)]
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Rare-Earth Elements: High concentration in one region (e.g., China) creates a monopoly/oligopoly risk of supply disruptions due to political instability or trade wars impacts high-tech sectors (semiconductors, EVs) in developed nations. [7 marks: Identification of concentration (2), mechanism of vulnerability (3), specific industry link (2)]
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Resource Curse: Abundance of resources currency appreciation (Dutch Disease) decline in manufacturing/agriculture over-reliance on volatile commodity prices potential for corruption/conflict over resource rents. [8 marks: Economic mechanism/Dutch Disease (3), volatility/dependence (3), social/political instability (2)]
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Technological Leapfrogging: Skipping outdated, polluting technologies and adopting advanced, sustainable ones (e.g., skipping landlines for mobile, or coal plants for decentralized solar). [6 marks: Definition of leapfrogging (2), example of technology (2), link to reduced carbon footprint/resource efficiency (2)]
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Peak Oil: The point in time when the maximum rate of global petroleum extraction is reached, after which production enters terminal decline. Implications: Energy price volatility, need for rapid transition to renewables, geopolitical shifts in power. [7 marks: Definition (3), economic implications (2), environmental/strategic implications (2)]
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Circular Economy: Shift from "take-make-dispose" to "reduce-reuse-recycle-recover." Focus on designing out waste keeping materials in use regenerating natural systems reduces demand for virgin ores/timber. [6 marks: Contrast linear vs circular (2), mechanism of material loop (2), impact on extraction (2)]
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Tragedy of the Commons: Shared resource (high seas) individual actors act in self-interest to maximize harvest lack of ownership/regulation collective depletion of fish stocks collapse of the resource. [7 marks: Concept of shared resource (2), individual vs collective interest (3), outcome of depletion (2)]
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IWRM: A process promoting the coordinated development and management of water, land, and related resources. Mitigation: Creating water-user associations, implementing quotas based on priority, using wastewater recycling for agriculture to save potable water for industry. [6 marks: Definition of coordination (2), specific strategy 1 (2), specific strategy 2 (2)]
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Plastic Waste: High percentage of single-use plastics/microplastics leakage into oceans ingestion by marine fauna bioaccumulation in food chain habitat destruction (e.g., coral reef smothering). [7 marks: Link to resource data (2), biological impact (3), ecosystem-scale degradation (2)]
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Virtual Water: The volume of freshwater used to produce a product. Exporting water-intensive crops (e.g., alfalfa, avocados) from arid regions "exports" water that cannot be recovered depletes aquifers threatens local water security. [7 marks: Definition of virtual water (3), mechanism of export (2), impact on local sustainability (2)]
Section C
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Carbon Taxes:
- Agree: Internalizes externalities, incentivizes green innovation, provides government revenue for sustainable projects.
- Disagree: Regressive impact on low-income households, risk of "carbon leakage" (industries moving to tax-free zones), insufficient if infrastructure for alternatives is missing.
- Evaluation: Effectiveness depends on the tax rate and how revenue is reinvested. [10 marks: Balanced argument (6), use of examples (2), nuanced conclusion (2)]
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CBNRM vs Top-Down:
- CBNRM: Local buy-in, traditional knowledge, sustainable incentives. Weakness: Local power imbalances, lack of technical scale.
- Top-Down: Standardized enforcement, large-scale funding, legal authority. Weakness: Lack of local compliance, "paper parks" (protected on paper only).
- Evaluation: Hybrid models usually work best. [10 marks: Comparison of strengths/weaknesses (6), specific examples (2), synthesis (2)]
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GMOs and Food Sustainability:
- Pros: Increased yields, pest resistance, drought tolerance, reduced chemical pesticide use.
- Cons: Monoculture risks, corporate control of seeds, potential biodiversity loss, ethical/health concerns.
- Evaluation: GMOs are a tool, not a total solution; sustainability also requires systemic changes in distribution and waste. [10 marks: Analysis of pros (4), analysis of cons (4), evaluative judgment (2)]
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Economic Development vs Sustainability:
- Argument for: Wealth allows investment in green tech, better education, and stronger environmental regulations (EKC theory).
- Argument against: Development often drives resource extraction; "degrowth" or "steady-state" economy may be more sustainable.
- Context: LDCs face a "development-environment" trade-off; need for "green development" pathways. [10 marks: Discussion of EKC/wealth (4), counter-argument/degrowth (4), LDC context (2)]
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International Treaties:
- Successes: Global awareness, framework for cooperation, setting targets (e.g., 1.5°C).
- Failures: Lack of enforcement mechanisms (non-binding), "free-rider" problem, conflict between national sovereignty and global needs.
- Assessment: Moderate success in coordination, low success in absolute prevention of degradation. [10 marks: Analysis of mechanisms (4), analysis of barriers (4), final assessment (2)]