1. What is the term for materials provided by the Earth, such as metals, gases, plants, sunlight, and animals, used by humans for various purposes?
2. What is the approximate annual electricity output of the Itaipu Dam, the largest hydroelectric power plant in the world?
3. What is the primary role of non-renewable resources?
Natural resources — definition?
Materials provided by Earth for human use.
Biotic resources — examples?
Plants, animals, fossil fuels.
Abiotic resources — examples?
Metals like copper, minerals.
Renewable resources — can be?
Used repeatedly, won't run out.
Non-renewable resources — are?
Finite, deplete over time.
Sustainable resources — require?
Management to ensure availability.
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