How can lava domes affect the environment around it

If part of a lava dome collapses and exposes pressurized magma, pyroclastic flows can be produced. Other hazards associated with lava domes are the destruction of property from lava flows, forest fires, and lahars triggered by the re-mobilization of loose ash and debris.

1."lessen the worth of ."

2."increase the worth of."

3." beyond the worth of."

4."against the worth of ."

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