Iron pillar near the Qutub Minar in Delhi is famous for the following facts. Which of these facts is responsible for its long stability?
A. It is more than 7 m high
B. It weighs about 6000 kg
C. It was built more than 1600 years ago
D. It has not rusted after such a long period
Answer:D
Iron pillar near the Qutub Minar in Delhi is famous for the following facts. Which of these facts is responsible for its long stability?
A. It is more than 7 m high B. It weighs about 6000 kg C. It was built more than 1600 years ago D. It has not rusted after such a long period