Learn

1. Read Chapter 19 in your textbook or ebook.
2. Take the Diagnostic Quiz to assess your understanding of the basic concepts and identify gaps in your understanding of the assigned reading. Go back and reread any sections that you need to review further.
3. Review the animation:
• The Earth System
4. Use the FlashCards to test your memory for new terms.
5. In your text, work the Review Questions and the On Further Thought questions assigned by your instructor.

Connect

1. Explore GEOTOUR 19: Aspects of Global Change and follow the instructions to investigate the locations mentioned in your textbook Geotour for yourself. Then fill out the Worksheet to apply what you have learned.
2. Read the Feature Article related to this chapter:
• THE REST OF THE STORY: The Melting of Snowball Earth
3. Visit Geology in the News for breaking news of new discoveries related to what you have learned.

Links

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About W. W. Norton

W. W. Norton & Company has been independent since its founding in 1923, when William Warder Norton and Margaret D. Norton first published lectures delivered at the People's Institute, the adult education division of New York City's Cooper Union. The Nortons soon expanded their program beyond the Institute, publishing books by celebrated academics from America and abroad. By mid-century, the two major pillars of Norton's publishing program—trade books and college texts—were firmly established. In the 1950s, the Norton family transferred control of the company to its employees, and today—with a staff of 400 and a comparable number of trade, college, and professional titles published each year—W. W. Norton & Company stands as the largest and oldest publishing house owned wholly by its employees.