Which of the following statements is not true of cohesion?
A) It is greater when particles are smaller.
B) It is the attraction of particles to each other at the atomic level.
C) It works with resistance to create the resisting strength of a rock formation.
D) It is possible along contact points only.
Answer: A
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Determine the discharge associated with a gage height of
In general, there is a direct relationship between discharge and width, depth (gage height), and velocity. A stream’s rating curve relates stream discharge to the gage height. Figure 22.1 shows the gage height plotted against discharge. Note that the discharge axis is logarithmic.
6 meters: _____________
9 meters: _____________
12 meters: _____________
15 meters: _____________
Using the data in this table, calculate the number of half-lives that have passed for the granite (unit G on this table)?
A. 1 B. 2 C. 3 D. 4 E. 5
How many transcription factors are required for the initiation of transcription?
A) 1 B) 2 C) 4 D) 6
In mesa-and-scarp topography, less resistant rock erodes more quickly than caprock. Which type of rock is noted as a less resistant rock in such areas?
A) granite B) limestone C) sandstone D) shale E) basalt