Earth Science A Final Exam Review 2021

Which of the following is NOT true about contour lines on maps?

The deep central cleft in the crest of the mid-ocean ridge is called a hot spot.

What evidence do we have that volcanoes have an internal plumbing

Which of the following is NOT a common hazard to the biosphere from volcanic activity?

Continental crust is composed of igneous rock

Which type of magma flows the fastest?

Pyroclastic flow is best described as

Mantle material near the lithosphere is cooling and sinking while material deeper is heating and rising.

What does a Lahar require?

Lithospheric Displacement is the theory that explains the large scale movement of Earth's lithosphere.

How are seismograms related to seismometers?

Point within Earth where rupture first occurs to cause an earthquake is the focus.

Which is NOT a type of evidence used to support Wegener's theory for the jigsaw-fit of the continents?

Rhyolitic lava would flow

What volcanic hazard is composed of all sizes of volcanic rock and lava thrown up into the air?

A larg basin-shaped volcanic depression

The asthenosphere is located in the mantle.

Which of the following is NOT a type of volcano?

When two litospheric plates collide which factor determines which plate is subducted?

All parts of the continents are recycled by the mantle through the subduction process.

Which type of magma is very explosive?

How often do large scale eruptions occur?

What does the S wave shadow zone indicate?

Which of the following would icrease the speed of flow of magma?

What has become the accepted primary mechanism for seafloor spreading?

The richter scale is a measue of what?

Oceanic crust is composed of igneous rock.

Subduction of a tectonic plate will always happen at a divergent boundary.

Earth is like a massive heat engine, but its heat does NOT come from

The steep-sided feature at the center of a mid-ocean ridge is called a