Question: A home located next to a 5-acre pond (30 feet deep in the center) uses the steady temperature of the deep pond water for heat exchange. A closed system of water is piped from the home underground to deep regions of the pond and then back to the home. Inside the home, a heat exchange system extracts heat in the winter and removes heat from the home in the summer. This home relies completely on electricity, generated by burning coal at a distant power plant. This home system illustrates the use of? Need Assignment Help? Question Answer a. Biomass fuels. b. Geothermal energy. c. Ecothermal energy. d. Hydroelectric energy.