The option that BEST represents a significant benefit of implementing a geothermal power plant for the city is:
It uses less land area than gas power plants.
This is a noteworthy advantage as geothermal plants typically require less land compared to traditional fossil fuel power plants, making them suitable for environments where land availability may be an issue. Other options may not accurately portray the key benefits or may not be as significant in the context of geothermal energy.