Surface processes of weathering and erosion tear the land down. What builds it up?
A) actions of plate tectonics
B) deposition
C) both a and b
D) none of the above
C
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Harry Hess proposed that the ________.
A. magnetic poles wander B. magnetic field reverses C. the core is liquid D. continents drift E. sea floor moves
According to Madison and Jefferson, the United States is a ___________ republic.
A. popular B. elective C. regulated D. democratic
What device bounces sound waves off the ocean bottom to study the depth and contours of the seafloor??
A) ?echo sounder B) ?satellite C) ?bathyscaphe D) ?submersible
Subsidence of organic sediments occurs by:
a. flooding and saturation b. compaction of the soils beneath the organic sediments c. compression of the materials by newly deposited sediments d. drainage and oxidation