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Volcano's
Rebecca F. Steip :(
12/20/2020
Under the Surface
Molten magma lies under the ground. It comes from the earths core.
Under
The Sea
There are about 1,510 volcanoes that have erupted in the last 10,000 years. Most of them though that are active, are deep under the sea where it’s impossible to measure.
Under the Sea
Making our World
Making our World
More than 80% of the earth's surface is volcanic in origin. The sea floor and some mountains were formed by countless volcanic eruptions. Gaseous emissions from volcano formed the earth's atmosphere.
Above
Above ground we can only see a fraction of the actual volcano. Most of it is in the ground.
Above
What we See
What we See
Pictures
Affect: Good or Bad
Volcano's can be good and bad. They grow islands and create mineral deposits. They can also displace people and kill people and animals.
Affect
Good
Volcano's help:
- Ash helps the soil
Good
Bad
Bad
The End
Thank you for listening to my presentation. Now is the time for questions.