Final answer:
Volcanoes are the deadliest geologic hazard, with pyroclastic flows and lahars posing significant dangers.
Explanation:
Volcanoes are the most deadly geologic hazard responsible for the most human deaths. One of the major hazards associated with volcanoes is pyroclastic flows that can move swiftly and cause significant destruction and fatalities. Additionally, lahars or mudflows generated by volcanic eruptions can be extremely dangerous and impact communities downstream from the volcano.
Learn more about Volcanic Hazards here:
https://brainly.com/question/43770268
