Why Might the Relative Amount of Deuterium (A Heavier Isotope

question 106

Multiple Choice

Why might the relative amount of deuterium (a heavier isotope of hydrogen) help to determine temperature?

• A)Because it is heavier it would take more energy to excite and evaporate.
• B)It indicates that there is more radiation because it has picked up an extra neutron.
• C)It would fall out of the sky more readily when it is colder because it has a higher density.
• D)It does not fragment as readily in the presence of UV and so more indicates more UV radiation.
• E)none of the above

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