When did the gender pattern of undocumented immigrants to the United States from Mexico switch from mostly men to about equal numbers between men and women?
A) the 18th century
B) the 1930s
C) the 1960s
D) the 1970s
E) the 1990s
Answer: E
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Why is there such little waste in nature?
A. The sun is an inexhaustible resource. B. Organisms naturally avoid activities that create unnecessary waste. C. The wastes and decayed bodies of any organism become nutrients or raw materials for other organisms. D. The earth is so vast that natural waste is not easily identified. E. Waste is chemically unstable.
The Convention on the Law of the Sea gives a sovereign power exclusive mineral and marine rights in the waters off its shores
a. True b. False Indicate whether the statement is true or false
Where is the air pressure lowest in a hurricane?
A. At the eye wall B. Inside the eye C. On the outer edges
On which island is the yam used as currency and its accumulation considered a sign of wealth and power?
A) Fiji B) Sumatra C) New Guinea D) Tasmania E) Tahiti