They are both imaginary lines which circle the earth!
Your ISP knows its own latitude and longitude. Your latitude and longitude is assumed to be the same as your ISP.
Once you have a latitude and a longitude, you've got the location pinned downto a single point on the earth's surface. Other places can have the same latitude,and still other places can have the same longitude, but no other point anywhereon the planet can have the same latitude and the same longitude as the first one.
Once you name a longitude and latitude, you've nailed down a single point on the Earth's surface, and no other point anywhere on Earth can have the same longitude and latitude.
The latitude and longitude of Greenland is 45.27oN 92.34oW.
Yes. If you want the 'latitude and longitude' of a place, you can simply ask for its 'coordinates'.
Every point on a meridian has the same longitude.
No two points on Earth ... even the places where your two feet are standing ... can have the same latitude and longitude.
Yes, latitude and longitude are also referred to as geographic coordinates.
Every place has its own unique latitude and longitude, so other than China, no other place can have the same latitude and longitude as itself.
Every point on Earth has a latitude and a longitude. No two points have the same set of two numbers.
The same as longitude
No.