Question

what are the different types of volcanoes on the basis on the frequency of eruption?

Answer 1

According to the activity of volcanoes,there are extinct,active and dormant categories.Easily recognized volcanoes are active volcanoes, but dormant and extinct volcanoes are difficult and dangerous sometimes.The people living near known extinct and dormant volcanoes must always be on the lookout.Volcanoes can erupt at anytime without warning.The constantly erupting volcanoes are active.The eruption is usually quiet but can sometimes be violent.

Answer 2

there are 3 types of volcanoes 
1. exist
2. domant
3. basis