Lab: Plate Boundaries and Movement Answers

As magma rises, pressure , causing dissolved gases to expand and form bubbles. The size of the bubbles increases, exerting a lot of force. The force of the expanding gases pushes the magma from the up through the . Molten rock and gas explode through the , which is at or near the top of the volcano.

As magma rises, pressure , causing dissolved gases to expand and form bubbles. The size of the bubbles increases, exerting a lot of force. The force of the expanding gases pushes the magma from the up through the . Molten rock and gas explode through the , which is at or near the top of the volcano.

This volcano is , having no activity since its last eruption in 1707.

Which statements accurately describe volcanic landforms? Check all that apply.Batholiths cooled deep inside Earth.Dikes cut across horizontally.A geyser spouts water that is heated deep inside Earth.Dome mountains form from cinder cones.Geysers and hot springs are caused by hydrothermal activity.

Mount Aetna on Sicily is a(n) volcano because it produces earthquakes and lava flows.