Short Answer

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Short Answer
Answer each question with a few sentences.

This activity contains 10 questions.

Look at this map of the Mt. Pinatubo sulfur dioxide cloud (shown in a rusty red color) for September 23, 1991, three months after the eruption.

Would you characterize the dispersal as mostly east/west or north/south? Is the cloud confined mainly to the low or high latitudes? What specific mechanism at this latitude is probably driving the dispersal? (Hint: The Philippines is located roughly between 12-18 degrees North latitude.)

To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.

Do you expect cooling or warming to result from a tropical plume like this one? (Hint: Study this cartoon of plume effects, and recall that the low latitudes warm by absorption of solar radiation.)

To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.

Go to the Color Landform Atlas of the United States and choose any one of the forty-eight continental states, and then select the "Topographic Map" option. Using what you've learned about structure, process, slope, drainage, and orders of relief, describe the landform geography of the state you selected.

To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.

This shaded relief map shows an area of the Appalachian Mountains. What landform features can you identify in the photograph? [image source]

To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.

Identify and describe the deformational process that produced this landscape.

To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.

Compare the Appalachian image with this space shuttle photograph showing the Richat dome structure in the Sahara Desert of Mauritania. How is it similar, both in form and in the processes that produced it, to the landforms in the Appalachia image? How is it different? [Source]

To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.

The Richat structure formed from magma intruding horizontally into bedded sedimentary rocks. Assuming that the young magma is not yet exposed, where would you expect to find the oldest and the youngest rocks?

To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.

Look at this map of recent global seismic activity. Where have earthquakes occurred recently? Explain at least two of the earthquakes (if two or more are shown) in terms of their tectonic settings; that is, why do you think they occurred in these places?

To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.

Is this a composite or shield volcano? What characteristic are you using to make this determination? Explain how the viscosity of lava erupted from this volcano influences both its general shape and the nature of its eruptions.

To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.

Is this a composite or shield volcano? What characteristic are you using to make this determination? Explain how the viscosity of lava erupted from this volcano influences both its general shape and the nature of its eruptions. (image source)

To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.

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