Q: Determine the topic of the question-answer pair. Question: "what is the source of geothermal energy?"; Answer: "The Geothermal energy of the Earth's crust originates from the original formation of the planet (20%) and from radioactive decay of minerals (80%)."? Topic:
A: Geothermal energy

Q: Determine the topic of the question-answer pair. Question: "how old were the twin towers when destroyed?"; Answer: "The original World Trade Center featured landmark twin towers, which opened on April 4, 1973 and were destroyed in the September 11 attacks of 2001, along with 7 World Trade Center."? Topic:
A: World Trade Center

Q: Determine the topic of the question-answer pair. Question: "what county is catonsville md in?"; Answer: "Catonsville is a census-designated place (CDP) in Baltimore County , Maryland , United States."? Topic:
A: Catonsville, Maryland

Q: Determine the topic of the question-answer pair. Question: "what country is turkey in?"; Answer: "Turkey is bordered by eight countries: Bulgaria to the northwest; Greece to the west; Georgia to the northeast; Armenia , Iran and the Azerbaijani exclave of Nakhchivan to the east; and Iraq and Syria to the southeast."? Topic:
A:
Turkey