Which of the following is the correct word describing loss of snow from a glacier by means of sublimation, melting, evaporation or avalanches?

Q. Which of the following is the correct word describing loss of snow from a glacier by means of sublimation, melting, evaporation or avalanches?
Answer: Ablation
Notes: Ablation refers to loss of snow from glaciers by means of vaporization, melting, wind or other processes.