About 20 million people from ________ and ________ have immigrated to the United States in the past half-century
A) Mexico, Canada
B) Latin America, Asia
C) Asia, Europe
D) Asia, Africa
E) Latin America, Europe
Answer: B
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Arched folds where limbs dip toward the hinge line are called
A) synclines. B) reclines. C) anticlines. D) inclines.
The study of the ocean's past is referred to as ____
A) stratigraphy B) geology C) paleogeochemistry D) paleoceanography
Tropical rain forest climates are influenced by subtropical high pressure cells year-round
Indicate whether the statement is true or false
Some of the first experiments in cloud seeding were conducted by Vincent Schaefer and Irving Langmuir during the late 1940s. To seed a cloud, they dropped crushed pellets of ____ from a plane.?
a. ?silver iodide b. ?silver iodine c. ?lead iodide d. ?cupric sulfide e. ?dry ice