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Unit 13 Assignments

  1. View Videolessons: 25 -- Living with the Earth Part-1 and 26 -- Living with the Earth Part-2.
  2. Read Text: Chapter 21, pages 519-541.
  3. Read the Chapter Summaries and Do the Self-Tests below.
  4. See Final Review Options and (Lecture, Part 1; Lecture, Part 2) use them to study for your exam.

Chapter Summaries

Chapter 21: Geologic Resources

Throughout this book, we have mentioned human use of Earth materials, most of which are nonrenewable. Our purpose in this chapter is to survey briefly some important geologic resources of economic value.

We first look at energy resources to see which ones might help replace our disappearing supplies of oil. Then we discuss metals and their relation to igneous rocks and plate tectonics and conclude with nonmetallic resources such as sand and gravel.

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E-mail your instructor: John McNamara
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