Answer:
Processing Questions:
→ What makes lahar dangerous?> Lahars and excess sediment cause serious economic and environmental damage to river valleys and flood plains. Large lahars can crush, abrade, bury, or carry away almost anything in their paths. Buildings and valuable land may be partially or completely buried.
~Due to their density, lahars can dest roy infrastructure and homes and bury towns (and people) rapidly. They can happen without an eruption, such as when old volcanic debris gets mobilized during heavy rain or snow melt.
→Are all volcanoes active? Why?
~Volcanoes, explained.:
> These fiery peaks have belched up molten rock, hot ash, and gas since Earth formed billions of years ago. ... Some 1,500 volcanoes are still considered potentially active around the world today; 161 of those—over 10 percent—sit within the boundaries of the United States. But each volcano is different.
( these are from go ogle so c t t o )
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