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Explain from memory the results and proper interpretation of Viking's LR experiments and compare them to Viking's other life-detection experiments.

Explain from memory the results and proper interpretation of Viking's LR experiments and compare them to Viking's other life-detection experiments.

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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Explain from memory the results and proper interpretation of Viking's LR experiments and compare them to Viking's other life-detection experiments.
Transcribed Image Text:Explain from memory the results and proper interpretation of Viking's LR experiments and compare them to Viking's other life-detection experiments.
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Step 1: Introduce the concept

The objective of the Viking LR investigation was to identify any metabolic processes in the Martian soil. By exposing the soil to a nutritional mixture comprising radioactive carbon fourteen, the experiment was successful. If there had been living creatures in the soil, they would have absorbed the radioactive carbon fourteen and discharged it into its gaseous state. This would have been spotted by the experiment's detectors.

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