Commercial agricultural systems in the core are especially efficient in terms of food production per unit of
A) area.
B) labor.
C) fuel energy.
D) water.
E) both area and labor.
Answer: B
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Besides a possible asteroid collision, what else contributed to "The Great Dying?"
A. massive volcanic eruptions B. pangaea formed C. pangaea formed and massive volcanic eruptions
The world's largest landfill is thought to be
A) Fish Kill, New York. B) the Great Pacific Garbage Patch. C) Puente Hills Landfill, Los Angeles. D) Denver Arapahoe Disposal Site, Aurora, Colorado. E) Columbia Ridge Landfill, Arlington, Oregon.
This a pidgin language spoken in New Guinea:
A) tok pisin B) haka C) mabuiag D) pakeha E) whenua