Niagara falls
Water in a river or stream moves steadily in a constant current.
It moves slowly and steadily.
the gluteals
the golden gate bridge
ur dum
"Backwards" is an adverb, not a common noun. It is used to describe the direction in which something moves or faces.
A swing!
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