The St. Lawrence Valley and the Ontario Peninsula form the manufacturing heartland of Canada, producing perhaps ________ percent of the nation's industrial output
A) 25
B) 50
C) 75
D) 95
C
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Pangaea is ____________.
a) another name given the Alaskan earthquake of 1964 b) a portion of the mid-Atlantic ridge c) a German word for "plate tectonics" d) the name of a supercontinent meaning "All Land" e) all of the above
Which of the following best matches the description?Process of changing the natural community to encourage the increase in populations of certain desirable species.
A. reforestation B. threatened species C. speciation D. biodiversity E. clear-cutting F. extinction G. selective harvesting H. mutation I. patchwork clear-cutting J. endangered species K. species diversity L. habitat management M. cover
Most oceanic islands and seamounts are
A. small pieces rifted apart from continents. B. places where the seafloor has been buckled upward by convergence. C. large fan-shaped mounds deposited by turbidity currents. D. constructed by volcanic eruptions that first occur under water.
Looking at a mountains slope in the Intermontane on what part of the slope would you expect to find trees?
A) Higher up on the slope B) At the foot of the slope C) Lower on the slope D) Trees only grow at low elevations in the Intermontane