Question

a network of intersecting lines of latitude and longitude on a map. its like a giant grid that helps you find a specific spot. scale grid system hemispheres map key

Explanation:

The description refers to a network of latitude and longitude lines on a map for location - finding, which is the grid system. Scale is about the ratio of map distance to real - world distance, hemispheres are halves of the Earth (e.g., Northern and Southern), and map key explains symbols on a map.

Answer:

B. Grid System