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14 Oct 2025, 12:03
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Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
45%
(medium)
Question Stats:
20% (00:26) correct
80% (00:38) wrong based on 10 sessions
History
Date
Time
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The bursts of gamma-ray radiation generated by the mergers of binary star systems are___________in nature; scientists have found it difficult to collect meaningful data from such a brief time span.
A. expedient
B. protracted
C. transient
D. mercurial
E. fleeting
F. celestial
A. expedient
B. protracted
C. transient
D. mercurial
E. fleeting
F. celestial
19 Oct 2025, 10:47
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Official Explanation
If scientists have trouble collecting data due to the brief time span, it follows that the bursts are either transient (short-lived) or fleeting. The use of “bursts” also conveys a short time-span.
Answer: C,E
If scientists have trouble collecting data due to the brief time span, it follows that the bursts are either transient (short-lived) or fleeting. The use of “bursts” also conveys a short time-span.
Answer: C,E
05 Feb 2026, 09:32
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Mercurial also means changing drastically or in an unexpected way. Why is it not an answer ?
