The loess deposited in many parts of the Midwest ________
A) was once glacial outwash deposits B) is uniformly thick
C) is in the form of transverse dunes D) had its source in desert regions
A
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Which of the four sedimentary layers in this figure is the oldest?
A) The layer on top
B) The layers in the middle
C) The layer on bottom
D) There is not enough information to tell.
Padded dashboards in cars are safer in an accident than nonpadded ones because an occupant hitting the dash has
A) increased time of impact. B) decreased impulse. C) decreased impact force. D) both A and B E) both A and C
Which of the following is NOT an agricultural hearth?
A) Southwest Asia's Mesopotamia B) East Asia's Yangtze River Valley C) Latin America's Andean Mountains D) Latin America's Mexico's highlands E) Africa's South Africa
Conduction transfers heat by mass motions in the atmosphere.
Answer the following statement true (T) or false (F)