Miami Dade College Building Earths surface Questions

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Nznaqn1969

Science

Miami Dade College

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Textbook: Physical Science, by Bill W. Tillery, 10th Edition. Answer the following questions at your best:

Chapter 19 – Building Earth’s surface

  1. 1- What is the principle of uniformity? What are the underlying assumptions of this principle?
  2. 2- What does the presence of folded sedimentary rock layers mean about the geologic history of an area?
  3. 3- Describe the conditions that would lead to faulting as opposed to folding of rock layers.
  4. 4- How would plate tectonics explain the occurrence of normal faulting?
  5. 5- What is an earthquake? What produces an earthquake?
  6. 6- Where would the theory of plate tectonics predict that earthquakes would occur?
  7. 7- Describe how the location of an earthquake is identified by a seismic recording station.
  8. 8- Describe any possible relationship between volcanic activity and changes in weather.
  9. 9- What is the source of magma that forms volcanoes? Explain how the magma is generated.
  10. 10- What are mountains? Why do they tend to form in long, thin belts?

Chapter 20: Shaping Earth’s surface

  1. 1- What other erosion processes are important as a stream of running water carves a valley in the mountains? Explain
  2. 2- Describe three ways in which a river erodes its channel.
  3. 3- What is a floodplain?
  4. 4- What is a glacier? How does a glacier erode the land?
  5. 5- What is rock flour and how is it produced?
  6. 6- Could a glacier erode the land lower than sea level? Explain.
  7. 7- What characteristics of a soil make it a good soil?
  8. 8- What essential condition must be met before mass wasting can occur?
  9. 9- Compare the materials deposited by streams, wind, and glaciers.
  10. 10- Why do certain stone buildings tend to weather more rapidly in cities than they do in ruralareas?

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Explanation & Answer

View attached explanation and answer. Let me know if you have any questions.

1- What is the principle of uniformity? What are the underlying assumptions of this
principle?
The principle of uniformity assumes that the same laws of nature and functions that happen in our
present day have happened in the past. The underlying assumptions of this principle say that the
rate of operation may be different from the past, but the events are taking place just like they were
in the past.
2- What does the presence of folded sedimentary rock layers mean about the geologic history
of an area?
The presence of folded sedimentary rock layers tells about the tectonic plate collisions and
mountain building. In the past, rock layers were in plastic condition under pressure.
3- Describe the conditions that would lead to faulting instead of folding of rock layers.
The conditions that cause faulting include temperature, confining pressure, rock type, and time.
Faulting of the rock layers occurs from the action of plate tectonic forces. Large faults make the
boundaries between plates, such as subduction zones or transform faults.
4- How would plate tectonics explain the occurrence of normal faulting?
The occurrence of normal faulting is due to the movement of ro...


Anonymous
Very useful material for studying!

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