The line that goes through middle C on the musical staff is called the "ledger line." In the treble clef, middle C is typically notated on a ledger line below the staff, while in the bass clef, it is notated on a ledger line above the staff. Ledger lines extend the staff to accommodate notes that fall outside its range.
The diameter
the equater
The equator
a transversal
the line that goes through the middle of a leaf is called a vein.
The imaginary horizontal line that goes around the middle of the earth is called the equator.
the equater
The diameter
The equator
the legar line
it goes straight through the MIDDLE lol it would look funny if it had a line of symmetry down the middle :):):):):)
The line is called an axis.
a transversal
The line that goes around the middle of the Earth is called the equator. It divides the Earth into northern and southern hemispheres and is located at 0 degrees latitude.
40 degrees north
The horizontal line that goes around the "waist" of the Earth is the Equator. The vertical line that goes vertically around the Earth, through the poles, is the Prime Meridian.