Which of the following is the accepted level of risk for most environmental hazards, as defined by the Environmental Protection Agency
a. 1/100
b. 1/1,000
c. 1/100,000
d. 1/1,000,000
e. 1/10,000,000
Answer: d. 1/1,000,000
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In the North Polar region the sun shines for 24 hours per day during the summer, but receives less insolation than other areas because
A) the sun is at a very low altitude. B) the sun doesn't shine very much at night. C) the solar beam is much more direct at polar latitudes. D) the air is too cold.
________ are sometimes built perpendicular to shore in an attempt to protect beaches that are losing sand from longshore drift.
A. Groins B. Tombolos C. Breakwaters D. Inlets E. Headlands
An increase in seawater density can be caused by a ________ in temperature or a/an ________ in salinity
A) decrease; decrease B) decrease; increase C) increase; decrease D) increase; increase
The entire region throughout which a cultural trait prevails is called a
A) core. B) culture area. C) hearth area. D) cultural landscape. E) built environment.