Which of the following was not evidence for Wegener's continental drift hypothesis?
a. glacial deposits of Gondwana continents
b. fit of African and South American shorelines
c. paleomagnetic striping of the oceanic crust
d. fossil plant and animal distributions
e. similar rock sequences and mountain ranges
c. paleomagnetic striping of the oceanic crust
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The Goode’s is based on two different projections, one for the low latitudes and one for the high latitudes. At approximately what latitude does the projection change?
(Hint: Look for the change in the shape of the map margins in the North Pacific.) Study the Goode’s Interrupted projection.
During the Triassic, a number of rift-related fault basins formed along the eastern margin
of North America. Indicate whether the statement is true or false.
What environmental damage often occurs after many years of irrigation?
A) salinization B) deforestation C) air pollution D) water pollution E) acid rain
In the Cambrian, the major event for the North American continent was
A. Shallow Sea Transgression and Regression B. Eastern and Western Orogenic Activity C. Volcanic Activity D. Emplacement of plutons along the southern margin