Why can most cell phones be accurately traced to a specific location?

The ability to accurately trace most cell phones to a specific location hinges on their integration with Global Positioning System (GPS) technology. Many modern smartphones are equipped with GPS chips that communicate with satellites to determine the device's precise location on Earth. This process involves triangulating signals from multiple satellites, allowing the phone to calculate its latitude and longitude coordinates with high precision, often within a few meters.

This GPS functionality is crucial for applications like navigation and location-based services. It allows not only users to access location-specific information but also enables law enforcement and emergency services to locate individuals in need of assistance. The accuracy and reliability of this system make it the primary reason GPS is emphasized in tracing mobile devices.

While cellular towers and the triangulation methods related to them also contribute to location tracking, the most robust and pinpointed accuracy comes from GPS technology. This distinguishes option B as the most comprehensive and precise explanation for why cell phones can be accurately tracked to specific locations.