The most effective water heater is a(n)
A. gas water heater.
B. electric water tank.
C. roof-mounted solar hot water heater.
D. oil water heater.
E. propane water heater.
Answer: C
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What is the approximate width of the Souris River channel?
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?
The degree to which detrital particles have had their sharp edges and corners smoothed off by abrasion is ____
a. varve b. cross-bedding c. drift d. sorting e. rounding
A slope whose materials are weaker than the combined force of gravity and the denudation process is
A) stable. B) waxing. C) waning. D) unstable. E) pediment.
States containing large reserves of natural resources automatically are considered to be developed.
Answer the following statement true (T) or false (F)