The mineral shown in this photograph is a sulfide mineral and commonly forms cube-shaped crystals. What mineral is it? 
A. hematite
B. dolomite
C. halite
D. gypsum
E. pyrite
Answer: E
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Briefly describe how tsunami are generated and include a description of characteristics such as wavelength and wave speed
Do tsunami behave as shallow-water waves? Why or why not and how does this influence their movement in shallow versus deeper water? What would the shoreline look like when the trough of tsunami arrives?
In what category are indigenous African religions generally placed?
A) Islamic B) Protestant C) Animist D) Christian E) Buddhist
The sediments that make up the Ganges river delta in India are often toxic because they
A. Are highly acidic due to acid rain B. Run through toxic soils C. Dissolve naturally-occurring sulfur dioxide D. Originate in coastal industrial areas E. Have concentrations of naturally occurring arsenic
The U.S. Quota Act of 1921 and the National Origins Act in 1924
A) established maximum limits on the number of people who could immigrate to the United States during a one-year period. B) limited immigrants to those arriving from Great Britain. C) discouraged families from entering the United States. D) required renunciation of closely held cultural values, such as religion. E) levied a tax on immigrants.