Kip and Yale run separate mining companies in the same forest. Both pollute the river flowing through the forest with debris from their work. In the table below, the first row shows the current level of debris that makes its way into the river from their work. The following table set out information that show how much it would cost each company to reduce its pollution by additional increments of 10 pounds.If a system of tradable permits is introduced, the total cost of cutting current debris in half is
A. $40
B. $45
C. $50
D. $55
C. $50
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The principle of ____________ ____________ is based on the observations of Forchhammer that conclude although
the total amount of dissolved solids in seawater might vary among samples, the ratio of major salts is constant. Fill in the blank(s) with the appropriate word(s).
The main difference between edge cities and suburbs is what?
A) Suburbs are located further from the central city than edge cities B) Edge cities are located further from the central city than suburbs C) Suburbs are less reliant than edge cities on the central city for employment, shopping, recreation, and cultural activities D) Edge cities are less reliant than suburbs on the central city for employment, shopping, recreation, and cultural activities
Some scientists think that Yellowstone could cause a future disaster because
A) the area is part of a caldera. B) magma is still present at depth. C) past eruptions from Yellowstone carried ash over a huge area of western North America. D) land near Yellowstone is uplifting in some places and subsiding in others. E) All of these are correct.
List the six essential elements of geography: