You have been hired by a rapidly growing small city to improve the air quality, which has deteriorated in the past 10 years. What would be a logical action to take?
A) move or close the cattle feed lots near the river
B) improve transportation options, including carpool lanes, buses, and light rail
C) remove the hydroelectric dam on the river
D) try to negotiate with the large city downwind whose factories produce large amounts of pollution
E) decrease the amount of CFCs used locally
B
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A small lithospheric block with characteristics quite different from those of surrounding rocks is a ____
a. cyclothem b. asteroid c. passive margin d. organic reef e. terrane
How often do destructive tsunamis strike somewhere in the world?
a. Approximately once a year b. Approximately one every two years c. Approximately once every decade d. Approximately a few times per year
Polders are most closely associated with which country?
A) Belgium B) Luxembourg C) Germany D) The Netherlands E) Greece
Even if we know the solute, molarity and density of a solution, which of the following concentration units cannot be readily determined without any other measurements?
A) %(w/w) B) %(w/v) C) %(v/v) D) all of these