What type of rocks yield the best age determinations from isotopic dating?
A. Metamorphic rocks
B. Plutonic igneous rocks
C. Sedimentary rocks
D. Volcanic igneous rocks
Answer: D
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By 2010, how many people lived outside the countries of their birth?
A. 25 million B. 50 million C. 100 million D. 214 million
Usually, the biggest concern in designing buildings to withstand large earthquakes is the ________ components of movement.
A. downward pull from the vertical B. upward push from the vertical C. sideways push from the horizontal
What happens to the density of seawater with increasing depth in the oceans (the pycnocline)?
A. Rapid decrease shallow, then slow increase within depth B. Rapid increase shallow, then slow decrease with depth C. Rapid decrease shallow, then fairly constant with depth D. Rapid increase shallow, then fairly constant with depth
Although animal life has been greatly affected by human occupation in the Middle East/North Africa region, this domesticated animal is still evident
A) Crocodile B) Cheetah C) Lions D) Buffalo E) Oryx