What is the nature of the diameter of the lines of latitude when they come towards the poles?

First it decreases and then it increases.

What is the nature of the diameter of the lines of latitude when they

1.	What is the nature of the diameter of the lines of latitude when they come towards the poles?
A.	it stays stable
B.	it happens
C.	it grows
D.	First it decreases and then it increases.
Answer» C. it grows