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Geography, 19.12.2019 01:31 yousifgorgees101
Oxygen-18 and oxygen-16 are useful in studying past climates because
a. ozone formation and decay depend on the ratio of oxygen-18 to oxygen-16
b. both water and calcite contain oxygen
c. oxygen ratios are directly related to carbon dioxide (co2) levels
d. more oxygen-18 is stored in glacial ice when temperatures drop
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Answers: 1
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Oxygen-18 and oxygen-16 are useful in studying past climates because
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