At which of the following temperatures does the Earth radiate energy at the greatest rate or intensity?
A. -40°C
B. 32°C
C. 60°C
D. 105°C
Answer: D
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An electrical device that is "grounded" has
A. no potential difference between it and the ground. B. an infinite potential difference between it and the ground. C. low voltage. D. a firm connection to the ground.
Explain the formation of the narrow, triangle-shaped lake just to the east of Westgaard Cemetery (in the NE ¼ of Section 3). You may use a sketch to illustrate your answer.
The following questions are based on Map T-4, a portion of the “Voltaire, North Dakota” quadrangle (scale 1:24,000; contour interval 5 feet) and Figure 40-4, a stereogram of the same region showing the Souris River (48°06'23"N, 100°48'05"W). What will be an ideal response?
On this map of South America, which features are not on a plate boundary?
A) A and B
B) B and C
C) C and D
D) D and E
E) All of the features are on a plate boundary.
Devils Tower was formed by
A. accumulations of windblown sand. B. solidification of a magma chamber. C. sedimentation from river deposits.