Relative age-dating methods
A. allow Earth scientists to determine exactly when rock layers were deposited.
B. allow Earth Scientists to determine that rock deposited during the Cambrian period is 530 million years old.
C. allow Earth Scientists to determine exactly how old the Earth actually is.
D. allow Earth Scientists to determine if a specific rock layer is older or younger than rocks above or below it.
E. allow Earth scientists to know that the Cretaceous-Tertiary Boundary occurred exactly 66 million years ago.
Answer: D
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Haboobs
A) occur where upper level wind patterns encourage rising motion. B) normally display a "starburst" (radial) damage pattern from rotating winds. C) are associated with waterspouts, usually created during the early phase of a thunderstorm. D) are associated with dust storms, usually created during the dying phase of a thunderstorm.
Which model of the internal social structure of the city explains that a city grows outward from a central area in a series of five rings, like the growth rings of a tree?
A) The concentric model B) The sector model C) The multiple nuclei model D) The adaptive concentric model E) The successive hierarchy model
During which of the time spans listed below should hurricane formation in the North Atlantic be at a peak?
A) November-December B) August-September C) January-February D) April-May
Granite and ________ are composed predominantly of feldspar and quartz.
A. ultramafics B. oceanic crust C. diorite D. basalt E. rhyolite