A student plans to investigate how the sound changes when 4 bottles with different amounts of liquid are struck with a mallet.
In which order must the bottles be placed so that the sounds change from a
high pitch to a low pitch?

~Science

where is the picture

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mount st. helens in washington erupts, causing a massive avalanche and killing 57 people on this day in 1980. ash from the volcanic eruption fell as far away as minnesota. seismic activity at mount st. helens, which is 96 miles south of seattle, began on march 16.

the puritans were a group of people who grew discontent in the church of england the common unity strengthened the community.