Niagra Falls due to the erosion of the earth beneath the falls. It moves back about 3 feet each year.
Niagara falls
the gluteals
The Pacific Plate moves northwest, the North American Plate moves southwest, the Eurasian Plate moves southward, the African Plate moves northward, and the South American Plate moves westward.
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"Backwards" is an adverb, not a common noun. It is used to describe the direction in which something moves or faces.
A swing!
north-northwest
no bird can only move backwards! only a hummingbird has the ability to move backwards but it also moves forwards and left to right!
The atoms of the particular medium in which the sound is produced moves backward and forwards in sound.
because a planet turns left as it moves, when you see both at the beginning, your eyes expect for both to move different, so it looks like its going backwards
The truck is heavier
When sound moves forwards and backwards rapidly, it is called oscillation. This back-and-forth movement is what creates sound waves.