The polar front jet stream is embedded within the ____
a. easterlies
b. westerlies
c. trade winds
d. monsoon winds
b
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Classify the following bonds as ionic, covalent, or neither (O, atomic number 8; F, atomic number 9; Na, atomic number 11; Cl, atomic number 17; U, atomic number 92). O with F Ca with Cl Na with Na
A. covalent, ionic, covalent B. ionic, covalent, neither C. neither, ionic, covalent D. covalent, ionic, neither
The root of social and economic tensions in the Latin American countryside is
A) a lack of government incentives to initiate rural development B) the mechanization of agriculture, thus forcing people of the land C) increased population pressure D) geopolitical violence as a result of the Cold War E) the uneven distribution of arable land
Which of the following reactors produces heat and a new supply of the radioactive isotope, Pu-239?
A. nuclear breeder reactor B. pressurized-water reactor C. boiling-water reactor D. light-water reactor
What era, period, and epoch do we currently exist in?
A) Precambrian, Jurassic, Eocene B) Mesozoic, Permian, Pleistocene C) Paleozoic, Paleogene, Paleocene D) Cenozoic, Quaternary, Holocene