Who discovered North America?
1.Christopher Columbus
2.Native Americans
3.Ferdinand Magellan
4.Ben Franklin
2
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The following three boxes represent the number of submicroscopic particles within a given volume of a particular substance at different temperatures. Which box represents the greatest density? Which box represents the greatest temperature? 
A. A and C B. B and A C. A and B D. B and C
Fossil evidence of the links among Gondwana continents was compelling because the species shouldhave:a
been found over wide regions if they were able to migrate among continents. b. exhibited evidence of tolerance for climatic extremes. c. shown a mechanism for widespread dispersal. d. been found over wide regions and shown a mechanism for widespread dispersal. e. been found over wide regions, exhibited evidence of tolerance for climatic extremes and shown a mechanism for widespread dispersal.
After the development of cyclogenesis theory by the Norwegians, this was the next major development in the expanding knowledge of mid-latitude cyclones
A) the development of the theory of Rossby waves B) the discovery of strong winds in the upper troposphere C) the discovery that storm systems move D) the development of the First and Second Laws of Thermodynamics
______ River or Russia's Matushka "Mother" river
Fill in the blank(s) with correct word