Final answer:
The weight of the collapsing soil in a trench collapse poses the most danger, along with exposed utility lines and rocks in the soil.
Explanation:
The weight of the collapsing soil is the most dangerous part of a trench collapse. When the soil collapses, it exerts a tremendous force that can lead to injuries or fatalities. Additionally, it can be challenging to rescue individuals trapped under the weight of the soil.
Furthermore, apart from the weight of the soil, other dangers in trench collapses include exposed and damaged utility lines which can result in gas leaks, fires, or electrocution hazards, and the presence of rocks and other objects in the soil that can cause additional harm during a collapse.
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