The operating costs for transportation ________.
A) indicate that, when all operating costs are included, rail is the most sensible means of transport
B) take into account the costs to public health and to the environment of vehicle emissions
C) clearly show the economies of scale, with large cities costing less per automobile than small cities
D) show that bus transport is the least expensive when all costs are included
E) indicate that city planners should invest more in parking lots
Answer: A) indicate that, when all operating costs are included, rail is the most sensible means of transport\
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Which statement best fits as a description of the U.S. General Mining Law of 1872?
a. Land could be purchased at market price for purposes of extracting minerals. b. A statement had to be made by the prospective owner that the land likely contains hard rock miners. c. A statement had to be made by the prospective owner that $500 would be spent to improve the land for mineral development. d. $120 per year had to be paid each year for a 20-acre parcel. e. All of these except land could be purchased at market price for purposes of extracting minerals.
Which of the following molecules could be a different conformation of the underlined molecule below?
A. a B. b C. c D. all of the above E. none of the above
cWhat is the difference between adhesion and cohesion?
a. Adhesion is the tendency of water molecules to stick to each other while cohesion is the tendency of water molecules to stick to other solids. b. Adhesion allows water to create a surface tension while cohesion causes capillary action. c. Adhesion is the tendency of water molecules to stick to solids while cohesion is the property that allows water molecules to stick to each other. d. Adhesion and cohesion are synonymous terms.
When compared to California, seismic energy in the eastern U.S. is transmitted ________.
A. less effectively because the earthquakes are smaller B. less effectively in the younger, more solid rocks C. more effectively in the older, more solid rocks D. less effectively in the older, more solid rocks E. more effectively in the younger, more solid rocks