Surface water with no dissolved oxygen is probably contaminated by
A. PCB's.
B. suspended sediment.
C. acid rain.
D. organic matter.
Answer: D
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Historical geology is the study of how geology is related to human history. Indicate whether the statement is true or false
All of the following are examples of globalization of consumption, EXCEPT
A) playing U.S.-style football. B) wearing blue jeans. C) eating McDonald's hamburgers. D) watching anime from Japan. E) driving a Volkswagen.
Which method do scientists argue is most effective at reducing the amount of air and water pollution?
A. A shift to energy sources such as solar and windpower. B. Attaching pollution control devices to smokestacks. C. Injecting steam into the ground to remove groundwater contaminants. D. Collecting runoff from construction sites before it enters a river.
The invention of the automobile dramatically increased the demand for oil products.
Answer the following statement true (T) or false (F)