There are approximately 600 active volcanoes on land. Analyze this sentence: approximately active...
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Transcript of There are approximately 600 active volcanoes on land. Analyze this sentence: approximately active...
![Page 1: There are approximately 600 active volcanoes on land. Analyze this sentence: approximately active land.](https://reader036.fdocuments.in/reader036/viewer/2022062306/5a4d1b2c7f8b9ab05999943d/html5/thumbnails/1.jpg)
There are approximately 600 active volcanoes on land.
Analyze this sentence:
approximatelyactive land
![Page 2: There are approximately 600 active volcanoes on land. Analyze this sentence: approximately active land.](https://reader036.fdocuments.in/reader036/viewer/2022062306/5a4d1b2c7f8b9ab05999943d/html5/thumbnails/2.jpg)
What is a volcano??
A weak spot in the crust where molten material- magma- comes to the surface.
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MAGMA• Beneath ground
LAVA• Above ground
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Ring of Firehttps://www.youtube.com/watch?v=uZp1dNybgfc
Soo.. Where do volcanoes form?
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Volcanoes form along the boundaries of Earth’s plates.
• Diverge or Converge– Causes fractures in the crust– Magma rises
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Hot Spot Volcanoes
A volcano forms above a hotspot when magma erupts through the crust and reaches the surface.
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Diverging Boundaries
Magma released from the rift valley or center of the mid ocean ridge.
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Converging Boundaries
Magma is released from the tops of mountains (land) and mid ocean trenches (subduction)
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