Question

A glacier will advance from its source area if the rate of accumulation is greater than the rate of:

a) subsidence
b) abrution
c) sliding
d) ablation

Answer 1

A glacier will advance from its source area if the rate of accumulation is greater than the rate of ablation.

Step-by-step explanation:

A glacier will advance from its source area if the rate of accumulation is greater than the rate of ablation.

• Ablation refers to the various processes by which ice or snow is lost from a glacier, such as melting, evaporation, and calving.

Therefore, the correct answer is d) ablation.