40 degrees north
yes it is
It is known as the "equator".
the equator
The equator
'Zero latitude' is the definition of the equator.
There's only one line at zero latitude, there's only one line around the middle of the globe, they're both the same line, and it's called the "Equator.".
Tropic of Cancer
That's the equator.
The line of latitude running around the approximate middle of the globe is the EQUATOR.
east and west hemisphere
africa
Equator