Igneous rocks formed by explosive volcanic activity have a texture that is ____
A)aphanitic
B)porphyritic
C)glassy
D)phaneritic
E)pyroclastic
E
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If you were traveling from New York to Los Angeles, application of the risk management process would suggest you fly on a commercial aircraft as opposed to driving your car.
Answer the following statement true (T) or false (F)
Effective use of the urban-structure models depends on the availability of data at the scale of:
A) national and state level B) state and municipal level C) municipal and city level D) individual neighborhood level E) all of the above
Both of the samples pictured here are examples of the mineral pyrite. The physical property that sets them apart is ________
A) reaction to hydrochloric acid B) crystal habit C) streak D) specific gravity
What is the cultural origin of the majority of Australia's population?
A) Australia (the Aboriginal population) B) France C) Spain D) Britain E) South Asia