How did the South Atlantic Ocean form?
a) Asia rifted apart form Europe
b) Africa and North America collided to form the Appalachian Mountains
c) a piece of California started moving northward up the west coast
d) south America rifted apart from Africa
e) none of the above
Answer: d) south America rifted apart from Africa
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Interglacial periods are commonly periods of regression
a. True b. False
Which of the following biomes has been most disturbed by human activities?
a. tundra b. tropical rain forest c. coniferous forest d. temperate deciduous forest e. taiga
What asset does Kyrgyzstan possess which places it in a prime economic position in the coming decades?
A) iron ore B) freshwater C) salt D) uranium E) gold
What happens to amount of daughter isotope over time?
A. it stays the same B. it increases C. it decreases