What effect do volcanos have on the Earth? This essay is going to be about volcanoes and how many are active.
How many volcanoes have erupted and how long to they last? Many volcanoes are erupting as we speak and more than a thousand have erupted in the past 10,000 years. A volcanic eruption can last up to thousands of years. Scientists don’t have an accurate count of all the volcanoes, but there are about a thousand magma systems.
What causes them to erupt and what effect do they have on the earth and the people? A volcano erupts when the Earth’s plate tectonics shift. Lahar is fast flowing volcanic mudflow that is made up of ash and water. When a volcano erupts, it produces lots of rock and ash. This rock and ash is full of lots of minerals.
How many volcanoes have erupted and how long to they last? Many volcanoes are erupting as we speak and more than a thousand have erupted in the past 10,000 years. A volcanic eruption can last up to thousands of years. Scientists don’t have an accurate count of all the volcanoes, but there are about a thousand magma systems.
What causes them to erupt and what effect do they have on the earth and the people? A volcano erupts when the Earth’s plate tectonics shift. Lahar is fast flowing volcanic mudflow that is made up of ash and water. When a volcano erupts, it produces lots of rock and ash. This rock and ash is full of lots of minerals.