What piece of equipment was able to facilitate the new fields of stratigraphy and paleoceanography
with the data it generated?
a. Clamshell samplers
b. Deep water cameras
c. Piston Corers
d. Seismic profilers
ANS: C
The development of the piston corer allowed scientists to take samples from deep waters. The analysis
of these cores led to the science of stratigraphy. Eventually, more information could be collected from
these samples which eventually led to paleoceanography. Information can be found in the section
Scientists Use Sensitive Tools to Study Ocean Sediments.
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A push on a 1-kg brick accelerates the brick. Neglecting friction, to equally accelerate a 10-kg brick, one would have to push with
A) just as much force. B) 10 times as much force. C) 100 times as much force. D) one-tenth the amount of force. E) none of the above
Which of the following statements gives an important reason for the large daily temperature range over deserts?
A. Free convection cells are unable to form above the hot desert ground. B. Dry air is a very poor heat conductor. C. There is little water vapour in the air to absorb and re-radiate infrared radiation. D. The light coloured sand radiates heat very rapidly at night.
Assuming a typical transport gradient and von Thunen type agricultural type set of agricultural zones (assuming a isotropic plain), which of the following would be charged the highest rent?
A. mixed farming B. grain farming C. vegetable farming D. ranching
Far-western North America contains a variety of fault bounded crustal blocks called ________ terranes
A) accreted B) island arc C) seamount D) ridge