When we examine the real world, we obtain an average distribution of sea-level pressure and winds for January and July, and we can observe that there are regions where pressure systems appear to persist throughout the year. These systems are referred to as ____________________ because they move only slightly during the course of a year.?
Fill in the blank with correct word
ANSWER: ?semipermanent highs and lows
semipermanent lows and highs
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Which of the following minerals are called sheet silicates?
a) amphiboles b) feldspars c) olivines d) pyroxenes e) micas (biotite, muscovite, etc.)
Sinking air sometimes cools adiabatically
a. True b. False
The San Andreas fault near San Francisco
A. is locked and therefore accumulating stress. B. is not of much concern because it is seismically quiet. C. is not very dangerous because it only slips a few meters at a time. D. has been undergoing creep since the 1906 earthquake.
Slump involves
A) unconsolidated flow of material. B) mudflow. C) creep. D) rotational movement of surface material. E) movement of surface material along a planar (flat) surface.