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How many volcanoes does the earth have?
No one knows exactly how many volcanoes are on the earth. There are approximately 1,500 volcanoes that have been active for the past 10,000 years. From the beginning of the earths time, the number of volcanoes could number in the millions.
Two enteresting facts about how volcanoes form?
Volcanoes are formed through a crack in the earth's surface where magma spills out from inside the earth. When lava spills out of a volcano, it eventually hardens and gives volcanoes their cone shapes.
How are volcanoes related to earth?
Volcanoes are found at Convergent and Divergent plate boundaries, where Plate Tectonics is most active. Magma is produced along plate boundaries, like the Ring of Fire around the Pacific Plate, forming volcanoes.
Does earth's moon have active volcanoes?
Seismic events on the moon are naturally called moonquakes, not earthquakes. They occur, but are less common and less powerful than those on Earth. The moon has no volcanoes since the magma that was under its surface long ago solidified.
How volcanoes occur?
Volcanoes occur when the earth cools off, and releases internal heat and pressure. Magma is a lower density than the surrounding rocks, and this causes it to rise to the surface. As it rises, gas bubbles form in the magma, exerting pressure, causing the magma to erupt out of the surface of the earth.
What event always takes millions of years to change the surface of the earth?
volcanoes take millions of years to occur. it changes earth's surface.
What events always take millions of years to change the surface of the earth?
volcanoes take millions of years to occur. it changes earth's surface.
What are the significance of volcanoes in the earth's surface?
it is a meteorite made by a volcanoes
How have the tectonic plates changed the earth over millions of years?
by: rift valleys subduction- volcanoes continental collision- mountain ranges seafloor spreading- cracks in ocean
Where are volcanoes found on earth's surface?
volanoes
Do volcanoes occur randomly over Earth's surface?
Volcanoes do not occur randomly over Earth's surface. They occur along the located mark of plate boundaries.
Planet known to have volcanoes on its surface?
Venus, Earth, and Mars are all planets with volcanoes.
What are igneous rocks formed on or near earth surface?
Volcanoes.
How does volcanoes found on the earth surface?
Usually by simple observation.
What vocano was the first to erupt?
Volcanoes have been erupting continuously, somewhere, since the very beginning of our Earth, millions of years before mankind appeared on the surface. Therefore, this question is unanswerable.
How many volcanoes does the earth have?
No one knows exactly how many volcanoes are on the earth. There are approximately 1,500 volcanoes that have been active for the past 10,000 years. From the beginning of the earths time, the number of volcanoes could number in the millions.
Do volcanoes take up 80 percent of the Earth's surface?
maybe...
