Answer to Dictation 1
Volcanologists and seismologists have studied the activity beneath Earth.
Go to Dictation 2
Answer to Dictation 2
Forecasting when a volcano might erupt has been somewhat unreliable.
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Answer to Dictation 3
A step closer to providing more accurate forecasts of when a volcano might blow.
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Answer to Dictation 4
NASA used images from space to detect changes in the colour of leaves.
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Answer to Dictation 5
An increase in carbon dioxide levels emitted by two active volcanoes.
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Answer to Dictation 6
Current methods of predicting an imminent volcanic explosion.
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Answer to Dictation 7
Checking seismic activity changes in ground height and carbon dioxide.
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Answer to Dictation 8
As magma moves upwards from Earth's crust it releases carbon dioxide.
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Answer to Dictation 9
Trees absorb this and their leaves become greener and more vibrant.
Go to Dictation 10
Answer to Dictation 10
Lava flows ejected rocks ashfalls mudslides and toxic gas clouds.
See the volcanoes and trees lesson for the whole text.
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