Imagine that over the past century the local temperature in a mountain range has
ID: 77508 • Letter: I
Question
Imagine that over the past century the local temperature in a mountain range has become slightly cooler, yet the glaciers are receding. Which of the following explanations is most probable?
a) As the air cooled, less precipitaion fell, bringing less winter snow
b) As the air cooled, and the glacier stopped moving, the lower elevations melted
c) Cooling made the ice more plastic, allowing it to flow faster to lowland elevations where it melted
d) Cooling made the ice more brittle, so the glacier broke apart more easily
Explanation / Answer
b) As the air cooled, and the glacier stopped moving, the lower elevations melted