Yes. There are hundreds of volcanoes on earth, and in any given year, about 50 will erupt.
Egypt hasn't volcanoes.
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When a volcano is active it will erupt. These volcanoes might take many years to erupt but will still erupt.
Yes, volcanoes still exist and many are still active.
Hawaii
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Yes, it has a lot of still active volcanoes.
They can happen in both
No. All the volcanoes on Mars are extinct.
There are so many reasons why scientists monitor volcanoes. The main objective it to fully understand how they happen and also observe patterns that would aid in predicting volcanoes before they can happen.
Here is one answer volcanoes can happen in Texas's, Hawaii.
If we didn't have volcanoes we wouldn't have any new landforms or islands.