Which indicator would tell scientists the most about future climate change?
A. record-breaking droughts
B. the discovery of new natural gas fields
C. new regulations to decrease the release of nitrous oxides
D. the data obtained from ice cores
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Answer:
D. the data obtained from ice cores
Explanation:
They collect ice cores in many locations around Earth to study regional climate variability and compare and differentiate that variability from global climate signals. The samples they collect from the ice, called ice cores, hold a record of what our planet was like hundreds of thousands of years ago.
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