Who made the first clear statement of the law of superposition? When?
A) John Wesley Powell, nineteenth century B) Nicolaus Steno, seventeenth century
C) William Smith, eighteenth century D) John Stuart Priestly, nineteenth century
B
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An important tool in understanding the actual numerical dates of past geologic events is ________
A) cross-cutting relationships B) unconformities C) depositional rates D) radioactivity E) fossils
Explain why the curvature effect acts to inhibit the growth of small droplets.
What will be an ideal response?
A common mode of mass wasting in deserts is:
a. mudflows. b. rock fall. c. creep. d. slumps. e. slides.
How has the road system been influenced by the topography
The question is based on Map T-6, the “Johnson City, Tennessee-Virginia-Kentucky- North Carolina” topographic map (scale 1:250,000; contour interval 100 feet). This map shows a portion of the Appalachian Mountains at the Tennessee, Kentucky, and Virginia border 136°39'30"N, 83°01'05"W). Figure 41-4 is a satellite image of this same region (to view this image, scan the QR code for this exercise or go to the Hess Laboratory Manual website and Exercise 41). What will be an ideal response?