Question
A volcano releases a towering plume of toxic ash and gases into the atmosphere.
Which of these would best allow scientists to warn officials of a need for
evacuation of people living far away from the volcano?
• an estimate of the number of gas masks available for emergency personnel
• a careful count of the number of people living near the volcano
• computer modeling of movement of the atmosphere
• an accurate measurement of the height of the volcano
Answer
Computer modeling of movement of the atmosphere would best allow scientists to warn officials of a need for evacuation of people living far away from the volcano.