Define the terms listed below: extinct valcanoes, dormant valcanoes, active valcanoes

An active volcano might be erupting or dormant. ... A dormant volcano is an active volcano that is not erupting, but supposed to erupt again. An extinct volcano has not had an eruption for at least 10,000 years and is not expected to erupt again in a comparable time scale of the future.

answer; round wood logs, building materials like (plywood),also pulp and paper products;