A metamorphic rock with gneissic texture ________.
A. has flattened, elongated pebbles
B. has very contorted layers
C. is very shiny
D. has distinct light and dark layers
E. splits easily into nearly flat and parallel planes
Answer: D
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Russian population is densest to the ________ of the Ural Mountains
A) north B) east C) west D) south
Human population growth rates are influenced by both biological and cultural factors. Which of the following biological factors is NOT related to differences in the population growth rates countries?
A. The death rate. B. The total fertility rate. C. The age at which girls can first become pregnant. D. Percentage of young people in the population.
Which of the following is/are subcycles within the geologic cycle?
A) hydrologic cycle only B) the rock cycle only C) the tectonic cycle only D) the rock cycle, tectonic cycle, and hydrologic cycle E) the rock cycle and the tectonic cycle
What region borders the Sahara Desert, has highly variable rainfall and a human population dependent on pastoralism?
A) West Africa B) East Africa C) Horn of Africa D) Central Africa E) Sahel