The large thermally driven convection cell that is driven by convective "hot" towers along the equator is the?
a. ?Ferrel cell.
b. ?Hadley cell.
c. ?Ekman spiral.
d. ?El Niño cell.
e. ?Doldrum cell.
ANSWER: b
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In the effective stress equation, the total vertical stress acting on a horizontal plane at some depth is equal to:
a. the effective stress plus the fluid pressure b. the effective stress minus the fluid pressure c. the effective stress times the fluid pressure d. the effective stress plus cohesion
Complete the concept map for number 1.
A. Wind B. Slope C. Water D. Gravity
The Colorado Plateau is marked by peculiar, step-like bends in rock layers called ________.
A. mesas B. buttes C. cuestas D. hogbacks E. monoclines
Which mineral property depends on bond type and the spacing of atoms within the crystal?
A) density B) cleavage C) hardness D) streak