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1. What relationship between accumulation and ablation is necessary for the ice front of a glacier to advance?

User Mmounirou
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Answer:

As long as snow accumulation equals or is greater than melt and ablation, a glacier will remain in balance or even grow. Once winter snowfall decreases, or summer melt increases, the glacier will begin to retreat.

Step-by-step explanation:

User Chris Desjardins
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