A trough aloft is generally associated with:
A) clear skies. B) anticyclonic flow at the surface.
C) cyclonic flow at the surface. D) convergence of the jet steam.
C
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You wade into the ocean. Where can you stand so that you MIGHT be able to keep your head above water?
A) the abyssal plain B) the midocean ridge C) the continental shelf D) the coast
What allows ice to float?
a. Surface tension of ice is lower than the surface tension of liquid water. b. Adhesion of ice is lower than the adhesion of liquid water. c. Cohesion of ice is lower than the cohesion of liquid water. d. Density of ice is lower than the density of liquid water.
e. Heat capacity of ice is lower than the heat capacity of liquid water.In order to be classified as a mineral, a substance must be:
a. inorganic b. naturally occurring c. crystalline d. all of the above
The world's urban populations are ________
A) growing at about the same rate as the rural populations B) growing at a faster rate than the global population as a whole C) shrinking in developing nations D) growing most rapidly in the developed nations E) shrinking, compared to rural populations