Question

Explain why there is no higher latitude other than 90 degrees North and South.

Answer 1

it is becouse 90 degree south and norths traces the path of our earths circumference of largest diameter !

as 90 degree latitude passes from poles of
our earths which is situated at diametrically opposite

Answer 2

longitudes are known as meridians because in geographical since medians are great circles which are not parallel to each other what interspect each other at the North and South poles. Same distance true of the longitudes all longitudes a great circle which meet at the poles