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The Earth is made up of several layers. If you could stand at the center 3,950 miles (6,371 km) down you would see the solid iron inner core , which is surrounded by an outer core of liquid iron and nickel.
The sister cities of Pompeii in Italy were dastroyed when Mt. Vesuvius erupted August 24 AD 79. Pompeii lay 5 miles from the valcano throughout the first afternoon and evening hot pumice, ash and rock rained down onto croweds of fleeing people. Imagine what must be going through these people's minds.
