The Parthenon had a total of 69 columns. There were 46 outer columns and 23 inner columns.
They are electromagnetic waves because mechanical waves have to be physically created by something, while electromagnetic waves are just emitted without any effort or force.
Strombolian eruption and Effusive eruption.
Answer:
They are lakes Superior, Michigan, Huron, Erie, and Ontario and are in general on or near the Canada–United States border.
