Plate tectonics is a unifying idea that helps explain where and why there are ________ on Earth.
A. earthquakes
B. mountain belts
C. oceanic ridges and trenches
D. volcanoes
E. All of the answers are correct.
Answer: E
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The average salinity of seawater can be expressed as ____________________ grams per kilogram of
seawater, ____________________ parts per thousand, and ____________________ percent. Fill in the blank(s) with the appropriate word(s).
Increases in global sea levels would likely have the least impact on this U.S. coastal region
A) Pacific coast. B) Gulf Coast. C) southeast Atlantic seaboard. D) northeast Atlantic seaboard. E) coastal Florida.
At Barrow, Alaska (latitude 70°N), you would expect the prevailing wind to be ____
A) northerly B) easterly C) southerly D) westerly
Columnar joints, like the ones shown in the photograph, are formed
A. when hot liquid igneous rock contracts. B. when hot liquid igneous rock expands. C. when hot but solid igneous rock expands. D. when hot but solid igneous rock contracts.