Which mechanism causes downslope movement of waterlogged soil in arctic tundra regions?

💡 Explanation

In arctic tundra, a permanently frozen subsoil prevents water drainage; therefore, the surface soil becomes saturated and flows downslope via solifluction because it is the action of saturated soil mass, rather than other erosional or stress-related factors causing mass wasting.

• Which outcome results when intense 'deflation' concentrates heavier particles?
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• Which outcome results when coarse sediment deposition overwhelms a drainage network at a mountain range base?
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