How do volcanoes impact earth?

volcanoes impact earth by volcanoes help enrich soil for farming and provide reservoirs for the storage of ground water. Volcanoes also valuable resources are formed in volcanoes. These elements include sulfur, zinc, copper, lead, tin,uranium, silver, mercury, and gold.Humans makes use of all of these elements that volcanoes provide. Geothermal power is an alternate energy source that is better for the environment and volcanoes provide this to society also.