This map shows contours of the water table and the location of a factory that contaminated groundwater. Which way will the contamination flow?
A. northwest, up the contours
B. southeast, down the contours
C. southwest, parallel to the contours
D. no direction because the movement of contamination is independent of groundwater
Answer: B
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Figure 3.15 Generalized pyramid of energy flow showing the decrease in usable chemical energy available at each succeeding trophic level in a food chain or food web.
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Use the accompanying figure to answer the following five questions.
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Why is heat shown as being lost to the environment?
What will be an ideal response?
A country which depletes its natural capital through exporting its nonrenewable resources can expect to have a bright economic future.
Answer the following statement true (T) or false (F)
Which of the following can be inferred from the information in the figure?
A) Cold water is denser than warm water. B) Light can penetrate oceans to a depth of only 1500m. C) Water pressure affects both salinity and water temperature. D) Salinity closely relates to water temperature.
The greatest cluster of people in Russia lives in
A. Siberia B. The steppes C. The far north D. Western Russia