Refer to the figure. A graduate student interested in using a habitat map of North America finds that it is too large of a file for his school's Geographic Information System (GIS) computers to handle. -To reduce the file size, the graduate student changes the pixel size of the file from 30 x 30 m (Panel 1) to 1000 x 1000 m (Panel 3). This student has successfully altered the _______ but in the process has lost _______.
A) extent; detail B) grain; detail C) scale; accuracy D) range; precision