The atomic bomb was used against Japan, not Germany, and radar was crucial in defense against German air raids rather than for weather forecasting. Therefore, the correct statements are those concerning the bomb's use against Japan and radar's role in saving Britain from invasion. ;
The correct statements are that the United States used the atomic bomb to end fighting against Japan, and radar helped save Great Britain from a German invasion. The atomic bomb was dropped on Hiroshima and Nagasaki, while radar technology played a key role in detecting enemy aircraft. The other two statements regarding Germany and weather forecasting are incorrect.
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