The answer is Contour lines
-- One feature of Earth is an atmosphere rich in nitrogen and oxygen.
Very unusual.
-- Another feature of Earth is vast quantities of liquid and solid water.
Very unusual.
-- Another feature of Earth is a range of temperatures near the melting point
of water.
Very unusual.
Answer:
maybe it was called india!
Explanation:
They are divided into degrees so that we can know the exact location :)