Which of the Following Accurately Describes ¹⁸O/¹⁶O Ratios of Ice

question 101

Multiple Choice

Which of the following accurately describes ¹⁸O/¹⁶O ratios of ice sheets?

• A)During warmer periods,¹⁶O evaporates more readily and therefore the ¹⁸O/¹⁶O ratio is significantly lower than colder periods.
• B)The higher the ratio of ice core ¹⁸O/¹⁶O,the cooler there temperatures because the ¹⁸O will be locked up in ice sheets.
• C)A higher ¹⁸O/¹⁶O ratio indicates warmer periods during which more ¹⁸O evaporates and precipitates.
• D)During periods of colder temperature,the ¹⁸O/¹⁶O ratio is higher because only the ¹⁸O isotope is being evaporated.

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