What are the pros and cons of using geothermal energy to produce electricity? Of using tidal power?
a) Geothermal energy: Clean, renewable; Tidal power: Limited locations, high initial costs
b) Geothermal energy: Limited locations, high initial costs; Tidal power: Clean, renewable
c) Geothermal energy: Dependence on geological conditions; Tidal power: Minimal environmental impact
d) Geothermal energy: Intermittent availability; Tidal power: High efficiency, low environmental impact