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Questions and Answers
Who discovered that humans have changed the tilt of Earth's axis by extracting groundwater?
Ki-Weon Seo
How much groundwater was extracted between 1993 and 2010?
two trillion tons
What is the rate at which the mass of polar ice is drifting?
4.36 centimetres a year
By how much have sea levels risen due to the pumping of groundwater?
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What did Professor Seo explain about the effect of groundwater on Earth's gravity?
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