A bullet is fired straight down from the top of a high cliff. Neglecting air resistance, the acceleration of the bullet in meters per second squared is
A) less than g.
B) g.
C) more than g.
B
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The Pacific Ring of Fire refers to the: a. circle of violent geologic activity surrounding the Pacific Ocean
b. circle of active volcanoes surrounding the Pacific Northwest. c. sizzling economic activity encircling the Pacific Ocean. d. widespread forests encircling the Pacific Ocean that are prone to burning.
What kind of process in Deserts is called Deflation?
a. Wind erosion lowers the land surface b. Windblown sand abrades the face of a rock c. Wind blows away finer sediment, leaving behind a layer of coarse grains d. Water flows across the desert surface and carries the loose sediment
Topography and the upward and downward movements of cyclones and anticylones create ________ modifications of air masses
A) mechanical (dynamic) B) convective C) orographic D) thermal
Which of the following materials has low porosity and low permeability?
A. uncompacted clays B. well-sorted sand C. unfractured granite D. limestone with caverns