Question

which of these is known as the greatest danger associated with excavations? select the best option. asphyxiation cave - ins fire underground utility lines if you need to review this content, it can be found in the excavation risks module of the excavations topic

Explanation:

Cave - ins are the most significant danger in excavations as they can quickly bury workers, leading to serious injury or death. Asphyxiation can be a risk but is often secondary to cave - ins. Fire is less common in typical excavation scenarios compared to cave - ins. Underground utility lines are a hazard but not as immediately life - threatening as a sudden cave - in.

Answer:

B. Cave - ins