In which area of East Asia are loess deposits most common?
A) southern China
B) North Korea
C) Taiwan
D) west of the North China Plain
E) South Korea
D
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Global wind patterns are a result of all of the following except
A) temperature driven convection. B) evaporation and condensation of water vapor. C) Earth's rotation. D) Earth's magnetic field.
Sodium is a highly reactive metal and chlorine is a toxic gas, but when they come together the resulting material, sodium chloride, is essential for life. Which of the following is true when sodium and chlorine are brought into contact with one another?
A) They form a heterogeneous mixture. B) They form a homogenous mixture. C) They neutralize each other. D) They form a compound.
Which of the following was most important in encouraging suburban sprawl?
A) loan guarantees for home purchasers (especially veterans) B) property-tax reductions for owner-occupied homes C) massive highway subsidies D) cheap land E) cheap transportation
You live in a seismically active area and there are steep mountain slopes that show evidence of past large landslides. A geologist uses radiocarbon dating and determines that all of the landslides are 1000 +/- 5 years old
He also determines that there is an active fault in the area that moved in the last 1000-2000 years but he can't date it precisely. Which of the following is a reasonable conclusion? A) There must have been a major drought 1000 years ago that triggered the landslides. B) Radiocarbon dating is not a good dating technique or it could separate the ages of the slides. C) There was probably an earthquake ~1000 years ago. D) There must have been people in the area 1000 years ago, and they cut down the trees that were dated for determining the age of the landslide.