Answer:
The correct option is;
a. Latitude measurement, degrees north and south
Step-by-step explanation:
The lines of latitude give the measured coordinate of a location towards the north or south in relation to the equator by using a division of surface of the Earth, using 180 imaginary horizontal lines that circles the Earth from the equator to the poles, such that the equator, which is the starting point of the measurement is measured as 0, while at the poles, (north and south) the measurement are 90° each from the equator.