Prior to 1870, the chief sources of American immigrants were ________.
A. Latin America and East Asia
B. East Asia and Northwestern Europe
C. Northwestern Europe and Sub-Saharan Africa
D. Sub-Saharan Africa and Southeastern Europe
Answer: C
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Which of the following statements best describes the 21st century economic realities of India?
A) the gap between the extremely wealthy and extremely poor has closed in recent decades in India B) a large, prosperous middle class with far smaller numbers of people who are either extremely poor or extremely wealthy C) an emerging middle class numbering some 270 million people but with large numbers of people still well below the poverty line D) poverty exists but only in rural areas E) vast poverty with little to no emerging middle class
High tides are associated with the area between bulges
a. True b. False
In accordance with Charles Law, a gas under constant pressure will ________ when ________.
A. expand; cooled B. keep the same volume when heated or cooled C. contract; heated D. expand; heated
The distribution of benthic biomass is related to ________
A) current patterns B) primary productivity C) sediment variety D) thermocline depth E) wave energy