24. The photographs below show how a change in climate is affecting the size of
Grinnell Glacier in Glacier National Park. Which of the following best explains the
change in the glacier between 1910 and 1997? (SC.7.E.6.6; Fair Game:
SC.6.E.7.6)
Grinnell
Glacier
1910
a. Higher average temperatures
b. Higher frequency of earthquakes
c. Higher total precipitation
d. Higher rates of wind erosion
Glacier
1997