Meltponds on Ice-Shelf and Tidewater Glacier Surfaces

Meltponds on ice-shelf and tidewater glacier surfaces

A) represent a positive feedback mechanism caused by increasing temperatures from both the air above and the sea below.
B) have always existed and do not indicate any kind of change in Earth's temperatures.
C) cause catastrophic flooding when the ice that holds them bursts.
D) cannot be linked in any way with global climate change.
E) represent a negative feedback mechanism that might be useful for slowing global temperature increases.