Each of the following statements about soil profiles is true except:
a. The B horizon is known as the zone of illuviation.
b. The parent material may be either residual or transported.
c. The C horizon is known as the zone of eluviation.
d. In some soils, particular horizons may be poorly developed or missing altogether.
C
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Put the following steps in the correct sequence according to how one would take a survey reading
1. The angle between the line sighted to the star and a line drawn directly toward Earth's center permits calculation of latitude. 2. Surveyors sight a telescope on the North Star, which is almost directly above Earth's rotation axis. 3. A table is set up with its level surface perpendicular to a line directed towards Earth's center. A) 1, 2, 3 B) 2, 1, 3 C) 3, 2, 1 D) 3, 1, 2
The skies in the center of a hurricane are often cloud free and surface air pressure is very low. This area is referred to as the ____
A) eye B) eyewall C) rainfree area D) streamline
Which of the following occurs when the Sun, Moon, and Earth are in alignment (i.e., in opposition or conjunction)?
A) Neap tides B) A lower tidal range C) Ebb tides D) Maximum tidal ranges
Which of the following is a characteristic of P-waves?
A. They cannot be recorded on seismographs. B. They travel slower than other seismic waves. C. They displace the rock back and forth in a direction that is perpendicular to their travel direction. D. They are generated near the surface and only compress the rock as they travel. E. They compress and then expand the rock in the direction the wave travels.