prasadyanz wrote:
GPS, the Global Positioning System (GPS) is a global navigation satellite system and is often used for navigating by car. Traveler's Best Friend (TBF) is a new navigation aids company which believes that not only drivers but also hikers could use GPS for navigating and have therefore decided to develop a GPS device for hikers.
Which of the following, if true, most seriously strengthens TBF's conclusion?
a. Technical problems prevent the entry of old mine fields data into the GPS device program.
b.
...




.jpg)

