Based on the information visible, what kind of volcano is this?
A) Shield volcano
B) Composite cone
C) Cinder cone
Although many areas of the continental shelves are relatively featureless, there are
some locations on the shelves that have received extensive glacial deposits and
significant dissection by streams. How would this have been possible?
A) Glaciers and streams were powerful enough to shape the shelf underwater.
B) The shelves were once above sea level but have since dropped below sea level due to
tectonic activity.
C) The sea level dropped during the last glacial episode because water was stored in
large ice sheets, exposing the shelves.
D) As the continents collided in the past, the shelves were lifted above sea level and
became exposed to the elements.
When olivine is undergoing a mineral phase change due to pressure, what mineral will
it form?