Which observation best indicates that a mountain was built by volcanic eruptions rather than tectonic uplift?

What is molten rock beneath Earth's surface called?

What process releases molten rock, ash, or gases through a volcanic opening?

What is the main role of a magma chamber in a volcano?

What are the large, moving sections of Earth's outer rigid layer called?

What explains the chain of volcanoes in this diagram?

Which process can increase a Hawaiian island's land area during an eruption?

As an older Hawaiian island travels farther along the chain, why may its eruptions stop?

Mayon in Albay is an example of which major cone type?

Mauna Loa in Hawaii belongs to which major group?

Loose rock fragments blasted from one opening pile up into a small, steep hill. Which type has formed?

Which construction pattern produces the type represented by Mayon?

Among the three main groups studied, which typically builds the smallest cone, only tens to hundreds of meters high?

Which group is most associated with quiet outpourings of easily flowing basaltic lava?

What slope pattern is typical of Mayon and similar cones?

Which tectonic setting most commonly produces the type exemplified by Mayon?

Which volcanic setting is illustrated here?

What causes magma to form above the descending plate in this volcanic-island setting?

A volcano last erupted 700 years ago. Which additional evidence most strongly supports the possibility of another eruption?

Which pair of observations is most useful for distinguishing shield, composite, and cinder-cone volcanoes?