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Identify the missing species in the following nuclear transmutation. U-238 + ? → 1 neutron + Fm-249
Persistent
Showing continued and steadfast determination or endurance, often in the face of difficulties or obstacles.
Irritable Moods
Emotional states characterized by easily provoked anger, frustration, or annoyance.
Posttraumatic Stress Disorder
A psychiatric disorder that may occur in people who have experienced or witnessed a traumatic event, characterized by flashbacks, nightmares, and severe anxiety.
Amtrak Derailment
An incident involving the derailment of an Amtrak train, which can result from various factors such as track failure, mechanical issues, or human error.
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