Gap Fill - Earth's Axis - Level 6


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Paragraph 1

Perhaps it's only who are aware of the of underground reservoirs on maintaining Earth's balance. Geophysicist Ki-Weon Seo from Seoul National University has discovered that have extracted so much groundwater from under our that they have changed the of Earth's axis. This shift has been enough to physically relocate the North Pole. The mass of polar is drifting by 4.36 centimetres a year. Professor Seo calculated that we extracted more than two trillion of groundwater between 1993 and 2010, causing Earth to wobble. Seo added that the pumping of groundwater has caused sea to rise by 6.24 millimetres.

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