A mudflow primarily forms when rain mixes with soil. When heavy rainfall occurs, it saturates the soil, reducing the soil's cohesion and increasing its weight. This saturation can lead to a flow of water and soil downhill, creating a mudflow. While other factors such as debris, rocks, and vegetation can influence the characteristics of the flow, the fundamental process starts with the mixing of rainwater and soil.
How does the substance in a mudflow form?
Rain mixes with soil.
Large rocks mix with water.
Soil and paper debris are combined.
Loosely connected rocks bind together.
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