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Question
Roentgen : X-rays : : Becquerel : _____________?
A
Uranium
B
Radioactivity
✓ Official correct answer
C
Fission
D
Superconductivity
Community credibility
Registered members can vote for the answer they believe is correct today and explain why. If the facts change after an election or news event, suggest a new option so others can vote it up.
A
Uranium
No member explanations yet for this option.
B
Radioactivity
No member explanations yet for this option.
C
Fission
No member explanations yet for this option.
D
Superconductivity
No member explanations yet for this option.