Which concept uses a grid formed by lines running north-south and east-west to determine an exact location?

Which concept uses a grid formed by lines running north-south and east-west to determine an exact location?

• A. Latitude and Longitude
• B. Equator and Prime Meridian
• C. Scale and Legend
• D. Climate zones

Answer: (A)

Think of a grid that lets you pinpoint any spot on Earth. This grid comes from two sets of lines: latitude lines run east–west, are parallel to the equator, and tell you how far north or south you are. Longitude lines run north–south, stretch from pole to pole, and tell you how far east or west you are. When you combine a latitude with a longitude, you get an exact location. For example, a point might be 40 degrees north and 74 degrees west, which identifies a precise place on the map. This is the best choice because it describes the system that uses those intersecting lines to determine exact locations. The equator and prime meridian are the reference lines for zero degrees but don’t by themselves form the full grid. Scale and legend are parts of a map that help you read distances and symbols, not the location grid. Climate zones categorize areas by weather patterns, not by a coordinate grid.

Think of a grid that lets you pinpoint any spot on Earth. This grid comes from two sets of lines: latitude lines run east–west, are parallel to the equator, and tell you how far north or south you are. Longitude lines run north–south, stretch from pole to pole, and tell you how far east or west you are. When you combine a latitude with a longitude, you get an exact location. For example, a point might be 40 degrees north and 74 degrees west, which identifies a precise place on the map.

This is the best choice because it describes the system that uses those intersecting lines to determine exact locations. The equator and prime meridian are the reference lines for zero degrees but don’t by themselves form the full grid. Scale and legend are parts of a map that help you read distances and symbols, not the location grid. Climate zones categorize areas by weather patterns, not by a coordinate grid.