Explain… The difference between the zone of accumulation and the zone of ablation for alpine glaciers.
Where the equilibrium line is relative to these two zones.
The monitoring method scientists use to measure glacier ice accumulation and ablation.

Glaciers form in the zone of accumulation, the portion of the glacier over which accumulation exceeds ablation. Ablation is the loss of ice or snow from the glacier.  The zone of ablation is where loss of ice mass is greater than accumulation. The boundary between these two zones is the firn or equilibrium line.

Explanation:

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