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  Volcanoes
What causes volcanoes?
Are there different types of volcanoes?
What effects do volcanoes have?
Can we predict when a volcano is going to erupt?
Which volcano has killed the most people?
Do volcanoes do anything good?
Volcano facts

 
Lava starts to come out of the Mayon volcano near Manila, Spain Can we predict when a volcano is going to erupt?
Scientists who specialise in volcanoes are called volcanologists.

They are getting better at predicting volcanoes. The most reliable method is listening to the 'rumbles' inside a grumbling mountain.

They also look at the changes in the gases which come out of volcanic mountains, the angle of the slopes, and bizarrely, the behaviour of animals in the area.

Animals often seem to be able to 'detect' when an eruption is coming, and they become agitated and worried.

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