The Aboriginal population constitutes roughly what percentage of the population of contemporary Australia?
A) 1%
B) 13%
C) 70%
D) 33%
E) 3%
E) 3%
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Using hydrogen to power a car is most analogous to using
A) electricity stored in a battery. B) natural gas as a source of fuel. C) biogas as a source of fuel. D) gasoline as a source of fuel.
Before the 1960s, how did geologists view the ocean basins and continents of the Earth?
a. Scientists believed that continents and ocean basins changed shape and location over time through the repeated erosion and deposition of sediments. b. Scientists believed that all ocean basins and landmasses were permanently fixed in their positions. c. Scientists believed that the formation of mountain chains and new ocean basins caused the movement of continents and oceanic sea floor. d. Scientists believed that continents moved over time as a result of convection in the mantle. e. Scientists believed that continents moved over time by plowing through oceanic crust.
Industrial properties have expanded to the suburbs in recent decades. Which of the following is NOT a reason for this?
A) Computerization and just-in-time production systems have diminished and have made the cost of land more expensive. B) There are locations that are easily accessible to motor freight and interstates. C) There are locations with access to suburban services and infrastructure. D) The attraction of residential areas and other amenities. E) Suburban locations have minimized the journey to work.
Damage from a tornado is normally most severe during the ____ stage
a. dust-whirl b. organizing c. mature d. shrinking e. decay