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Biosignatures and False Positives
Grade Level
Astronomy
AST.267 Biosignatures and False Positives
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Which statement best describes a strong biosignature claim?
A
It is a label for any planet inside the habitable zone.
B
It is a guess made before checking the planet's environment.
C
It is a final proof based on one exciting gas line.
D
It is a hypothesis supported by evidence after common abiotic mimics are considered.
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