Because Mount Rainier is a Strato Volcano it has both quiet and explosive eruptions. Explosive(pyroclastic) flows have a high silica level. Quiet have low silica levels. The more silica the thicker the magma.
It is quite viscous with a high silica content.
Mount Fuji is on the continent of Asia, on the Japanese Island named Honshu.
Given that it tends to erupt in a very explosive manner, mount Tambora has a high silica content.
mount fuji
It is that it has high silica content
Mount Fuji is in Japan
mount fuji
mount fuji grows popcorn
Mount Fuji is a mountain not a continent.
The height of Mount Fuji is 11,388 feet. Mount Fuji is in Japan and it is the highest mountain there.
http://content.answers.com/main/content/wp/en/thumb/c/c3/120px-Fujiview.jpg "Fuji Volcano is a large composite stratocone consisting of alternating lava flows and pyroclastics. It is composed of three cones, Komitake, Older Fuji and Younger Fuji volcanoes, in order of decreasing age." From: Geology of Fuji Volcano http://content.answers.com/main/content/wp/en-commons/thumb/5/51/120px-Mt_Fuji_NASA_ISS002-E-6971_large.jpg