题目选项分析

Often incorrectly referred to as a tidal wave, a tsunami, a seismic sea wave that can reach speeds of up to 150 miles per hour and heights of up to 200 feet, is caused by underwater earthquakes or volcanic eruptions.

Often incorrectly referred to as a tidal wave, a tsunami, a seismic sea wave that can reach speeds of up to 150 miles per hour and 200 feet high, are caused by underwater earthquakes or volcanic eruptions.