earth science and geology? 1. In 79 C.E., the citizens of Pompeii in the Roman Empire were buried by pyroclastic debris derived from an eruption of ____________. a. Mt. Olympus b. Olympus Mons c. Mt. Vesuvius d. Mt. St. Helens 2. The smoky cloud that rises from the vent of an actively erupting volcano is composed of ____________. a. smoke from Full Article