The nuclear bomb that destroyed the cities of Hiroshima and Nagasaki, consisted about 15 kilotons of TNT, which is a highly explosive and a destructive material.
Hiroshima and Nagasaki were the two port cities of Japan which faced nuclear bombings by the United States after the Japanese troops attacked on the port of Pearl Harbor during the World War II in 1945.
The nuclear bombs were highly explosive and completely destroyed both the cities with 15 kilotons of TNT, which was contained inside both the bombs.
Hence, the significance of nuclear bombings on Hiroshima and Nagasaki is aforementioned.
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