Volcanoes: Nature’s Great Mystery?!

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" class="wp-caption aligncenter"> 14 Volcano

All in all, no body knows what really a volcano is and. Maybe we will never know! Some say that they are tall things that sing to each other. when the trees go to sleep Some say they are pointy ones that pop up when Vulcan (Big God of Fire / Captain of Mountains) has a good idea. and but others do not agree. What? do you think a volcano, is