Who led the Bolshevik Revolution in 1917?
a. Stalin
b. Lenin
c. Tsar Nicholas II
d. Catherine the Great
e. Putin
b
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In meandering streams, the water velocity tends to be greatest in the ____________________ portion
of the meander. Fill in the blank(s) with the appropriate word(s).
A cubic centimeter each of quartz, olivine, and native gold weighs 2.5, 3.0, and 19.8 grams, respectively. These weights indicate that ________
A) gold has a higher density and specific gravity than quartz and olivine B) olivine melts at a higher temperature than either gold or quartz C) gold is 6 to 7 times harder than olivine and quartz D) gold and olivine qualify as silicates, but quartz would not
On this map of South America, which features are NOT on a plate boundary?
A. C and D B. A and B C. D and E D. B and C E. All of the features are on a plate boundary.
Chesapeake and Delaware Bays were both ________ before sea level rose and drown them approximately 20,000 years ago.
A) estuaries B) fjords C) embayments D) barrier islands E) stream valleys