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Find whether the given pair is correct.
 
1. Magma Chamber, a cavity beneath the earth's surface filled with liquid rock - magma.
  
2. Active volcanoes, quiet for some period after their eruptions and suddenly erupt again violently
 
3. Dormant volcanoes, quiet for some period after their eruptions and suddenly erupt again violently
 
4. Extinct volcanoes, Mt. Stromboli