In which of the country, first successful attempt made to tap underground heat energy to give heat to the surrounding buildings?
Answer & explanation
Correct answer: option 3
The correct answer is option 3: USA
NCERT: The first successful (1890) attempt to tap the underground heat was made in the city of Boise, Idaho (U.S.A.), where a hot water pipe network was built to give heat to the surrounding buildings. This plant is still working.