All crystals of a mineral will have the same:
a. chemical composition (or chemical compositions that vary between fixed limits)
b. angle between corresponding crystal faces
c. internal structure
d. all of the above
d
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According to the Köppen system of classifying climates, which of the following climate types refers to a region where the average temperature of the warmest month averages 0°C or below?
A. polar ice cap climate B. arctic climate C. polar tundra climate D. subpolar climate
The ____________ currents flow east to west and west to east, linking the eastern and western boundary currents. Fill in the blank(s) with the appropriate word(s)
In Costa Rica, a heavy downpour provides water that quickly evaporates or is absorbed and released by the dense vegetation of the tropical rain forest. This is an example of a cycle using
A) condensation, evaporation, transpiration, and green water. B) condensation, precipitation, and gravitational water. C) evaporation, gravitational flow, and adiabatic cooling. D) precipitation, gravitational flow, and convection.
What was NOT a feature of feudalism in Europe?
A) Most people were extremely religious. B) The population fatalistically accepted its lot in life. C) In most towns the Cathedral was the largest and most impressive building. D) Most people were literate so they could read the Bible. E) An aristocratic nobility made up the ruling class.