Use the following additional information to help answer questions 21. Figure C2.54 shows the same details of the "Tectonic Map of the West Coast" as a cross section, instead of as a flat map. The cross-section map shown is an imaginary 200-km-deep cut into Earth. The cut runs along a line that extends the two arrows on the flat map of the Juan de Fuca Ridge all the way to the North American continent just south of Portland, Oregon. However, this cross-sectional diagram is missing labels, which have been identified with the letters in the boxes. Figure C2.54: An imaginary cross-section map gives another view of tectonic plates. 21. Which letters on Figure C2.54 should be labelled North American Plate, Juan de Fuca Plate, and Pacific Plate? Answer by matching each of these labels to the correct letter. (?/3)

Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
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Use the following additional information to help answer questions 21.
Figure C2.54 shows the same details of the "Tectonic Map of the West Coast" as a cross section,
instead of as a flat map. The cross-section map shown is an imaginary 200-km-deep cut into
Earth. The cut runs along a line that extends the two arrows on the flat map of the Juan de Fuca
Ridge all the way to the North American continent just south of Portland, Oregon. However, this
cross-sectional diagram is missing labels, which have been identified with the letters in the
boxes.
Figure C2.54: An imaginary cross-section map gives another view of tectonic plates.
21. Which letters on Figure C2.54 should be labelled North American Plate, Juan de Fuca Plate,
and Pacific Plate? Answer by matching each of these labels to the correct letter. (?/3)
Transcribed Image Text:Use the following additional information to help answer questions 21. Figure C2.54 shows the same details of the "Tectonic Map of the West Coast" as a cross section, instead of as a flat map. The cross-section map shown is an imaginary 200-km-deep cut into Earth. The cut runs along a line that extends the two arrows on the flat map of the Juan de Fuca Ridge all the way to the North American continent just south of Portland, Oregon. However, this cross-sectional diagram is missing labels, which have been identified with the letters in the boxes. Figure C2.54: An imaginary cross-section map gives another view of tectonic plates. 21. Which letters on Figure C2.54 should be labelled North American Plate, Juan de Fuca Plate, and Pacific Plate? Answer by matching each of these labels to the correct letter. (?/3)
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