Answer to Dictation 1
Perhaps it's only geophysicists who are aware of the importance.
Go to Dictation 2
Answer to Dictation 2
This shift has been significant enough to physically relocate the geographic North Pole.
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Answer to Dictation 3
The mass of polar ice is drifting by 4.36 centimetres a year.
Go to Dictation 4
Answer to Dictation 4
He calculated that we extracted more than two trillion tons of groundwater.
Go to Dictation 5
Answer to Dictation 5
He added that the pumping of groundwater has caused sea levels to rise.
Go to Dictation 6
Answer to Dictation 6
Every mass moving around on the surface of Earth can change the rotation axis.
Go to Dictation 7
Answer to Dictation 7
Scientists have recently discovered how groundwater can change Earth's axis.
Go to Dictation 8
Answer to Dictation 8
His colleagues were puzzled at how this could cause such a tilt.
Go to Dictation 9
Answer to Dictation 9
Much of the extraction of groundwater is due to irrigation.
Go to Dictation 10
Answer to Dictation 10
The very way the planet wobbles is impacted by our activities.
See the Earth's axis lesson for the whole text.
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