Author Question: According to Figure 4.22 which types of volcanic rock can be found in composite volcanoes? A) ... (Read 80 times)

xclash · **on:** Jul 16, 2018

According to Figure 4.22 which types of volcanic rock can be found in composite volcanoes?

A) Basaltic, Andesitic, and Dacitic
B) Basaltic, Andesitic, Dacitic and Rhyolitic
C) Basaltic and Andesitic
D) Andesitic

Question 2

What is an effect of a volcano with Rhyolitc magma?

A) Rhyolitic magma has low gas content; volcanoes with this type of magma erupt gently.
B) Rhylotic magma has low viscosity; volcanoes with this type of magma erupt more often.
C) Rhyolitic magma has high gas content; volcanoes with this type of magma erupt violently.
D) Rhyolitic magma has low gas content; volcanoes with this type of magma erupt less often.