Which of the following accurately describes ¹⁸O/¹⁶O ratios of ice sheets?
A) During warmer periods, ¹⁸O evaporates more readily and therefore the ¹⁸O/¹⁶O ratio is higher.
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) During periods of colder temperature, the ¹⁸O/¹⁶O ratio is higher because only the ¹⁸O isotope is being evaporated.
D) During warmer periods, ¹⁶O evaporates more readily and therefore the ¹⁸O/¹⁶O ratio is significantly lower than colder periods.

Question

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The Answer of Which of the following accurately describes ¹⁸O/¹⁶O ratios of ice sheets?
A) During warmer periods, ¹⁸O evaporates more readily and therefore the ¹⁸O/¹⁶O ratio is higher.
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) During periods of colder temperature, the ¹⁸O/¹⁶O ratio is higher because only the ¹⁸O isotope is being evaporated.
D) During warmer periods, ¹⁶O evaporates more readily and therefore the ¹⁸O/¹⁶O ratio is significantly lower than colder periods.

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