Which of the following spheroids is ground-measured, rather than satellite-determined?
A. GRS80
B. WGS84
C. Clarke1866
Answer: C
You might also like to view...
When pressure is removed from overlying rock, the pressure of deep burial is relieved, initiating pressure-release jointing. The joints then separate into curved slabs. This is known as
A) exfoliation. B) salt crystal growth. C) spheroidal weathering. D) frost wedging. E) crystallization.
1992 and 1993 were cooler than average years primarily because
A) solar output dipped slightly. B) El Niño occurred. C) La Niña occurred. D) Mount Pinatubo erupted. E) ocean currents shifted significantly.
Which of the following is an expression of the angle of repose?
A. angle of slopes on scoria cones B. some slopes of sand dunes C. talus slope D. All of these choices are correct.
A light-year is ________.
A) a long time B) the distance light travels in one (Earth) year C) a kind of super-dense star near the end of its life-cycle D) the wavelength of electromagnetic radiation between ultraviolet and infrared