    ‘Sentence 1: Is “it. true that permanent Shadows.  were. farmed during. the bombing oF Hiroshima and  Nagasaki and that hunans wire vaporized. in, the  Kill zone? What 1s the, causé® raf these permanent.  shadows?    Sentence 2: How long was, it ‘unsafe to live in  Hiroshima and. Nagasaki after the atomic bombs  were dropped?    