Stable Isotope Analysis to Indicate Whether or Not Certain Elements

question 36

Multiple Choice

Stable isotope analysis to indicate whether or not certain elements have been processed by an organism is based on the observation that

• A)microbes have no preference as regards heavy versus light isotopes.
• B)microbes generally prefer using the heavier of two stable isotopes.
• C)microbes generally prefer using the lighter of two stable isotopes.
• D)None of the choices are correct.

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