If you were hiking on a glacier in the summertime, which of the following is the BEST way to recognize if you were walking on the zone of accumulation:

W) large amounts of rocks eroded from the nearby mountainsides have accumulated

X) you were walking mostly on exposed, bare ice

Y) last year's snow is still covering the glacial ice

Z) a bergschrund delineates the start of the accumulation zone
Y) LAST YEAR'S SNOW IS STILL COVERING THE GLACIAL ICE