Why Did the Nutrient Used in the Viking Life-Detection Experiments

question 10

Multiple Choice

Why did the nutrient used in the Viking life-detection experiments contain the isotope carbon 14?

• A)To sterilize the test chamber
• B)Most terrestrial organisms are especially fond of carbon 14
• C)Its presence can be measured by radiation detectors
• D)In order to be able to survive the long trip through space

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