7.

Which list places the magma types in order of decreasing viscosity?

andesitic, basaltic, rhyolitic

basaltic, rhyolitic, andesitic

rhyolitic, andesitic, basaltic

basaltic, andesitic, rhyolitic

1 answer

The correct order of magma types in order of decreasing viscosity is:

rhyolitic, andesitic, basaltic

Rhyolitic magma is the most viscous due to its high silica content, followed by andesitic magma, and basaltic magma is the least viscous.