| Open the box is an open-ended template | It does not generate scores for a leaderboard• Too young for anything degenerative |
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| The patient rapidly deteriorated and now has severe congestive heart failure | The half-life of a radioactive element is the time that it takes for one half of its atoms to disintegrate• A neutron is absorbed by a uranium-235 nucleus, turning it briefly into an excited uranium-236 nucleus, with the excitation energy provided by the kinetic energy of the neutron plus the forces that bind the neutron |