Beneficial effects:
*Makes a new landform..
*Makes the soil fertile.
*The nutrients and minerals needed by plants is released during an eruption.
Harmful effects:
*Loose of lives..
Destroys properties and crops...
*Distraction of environment....
Hope I help you:)
Postive effect - produced very rich soil.
negative effect- flow of lava that may influenced the society, and decrease of earth's surface temperature as a result of measurable cooling of earth surface for a period.
