Most continents contain large central areas in which very ancient rocks are exposed. These areas

are called
a. Precambrian shields. d. continental slopes.
b. platforms. e. orogenic belts.
c. continental shelves.


A

Environmental & Atmospheric Sciences

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Turbidity currents deposit sediments in ____ beds with ____

a. graded; fine sediments on top and coarse sediments on bottom b. stratified; fine sediments on top and coarse sediments on bottom c. graded; coarse sediments on top and fine sediments on bottom d. cross; fine sediments on top and coarse sediments on bottom e. cross; coarse sediments on top and fine sediments on bottom

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Most tornadoes are classified as ________

A) incredible B) catastrophic C) violent D) devastating E) light or moderate

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Where do most immigrants to France come from?

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Environmental & Atmospheric Sciences