This type of imaginary line runs parallel to the equator on a map

Latitude

Explanation:

Latitudes usually refers to those imaginary lines that are parallel to the equator and runs from east to the west direction. This line ranges from 0° to 90°, where 0° is the line of equator and 90° is the pole. These lines extend both above and below the equator. The latitudes that are above the equator forms the northern hemisphere and the latitudes that are below the equator form the southern hemisphere.

These lines are marked on the maps mentioning the latitude value on the side. These control the climate of the places on earth. The places that are near the equator are the hottest and the places that are near the poles are the coldest.

the answer is the last option or letter d)