Author Question: In order to cover such large expanses of seafloor, shield volcanoes erupt ________ lava. A) ... (Read 77 times)

ETearle · **on:** Jul 16, 2018

In order to cover such large expanses of seafloor, shield volcanoes erupt ________ lava.

A) rhyolitic
B) andesitic
C) porphyritic
D) basaltic

Question 2

What interpretations can be made about the maturity of a volcano where most eruptions occur from basal fissures and there are a number of parasitic cones along the volcano's flanks?

A) It is a mature volcano.
B) It is in the early stages of growth.