Which of the following statements describes an urban heat island?
A. Conservation techniques are used to reduce energy consumption in urban areas.
B. Air temperatures are warmer in urban areas than in surrounding rural areas.
C. Factories are situated in a single location downwind from urban areas.
D. Energy use is concentrated in urban areas.
Answer: B
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Hot springs that intermittently eject hot water and steam with tremendous force are known as
____________________. Fill in the blank(s) with the appropriate word(s).
Evaluate the following statement. "Human activities contributing to global warming could cause the oceans to switch to ice-age mode."
A) This statement is true. B) This statement is false. Changes in human behavior will alleviate any global warming trends. C) This statement is false. Ice ages only begin when Earth is a certain distance from the Sun. D) This statement is partially true. Global warming may cause a change in the oceans, but it is a natural process that is unrelated to human activity.
Great Britain typically has warmer winter temperatures than other areas of similar latitude because of the ____
A) Labrador Current B) Gulf Stream C) North Equatorial Current D) Agulhas Current
The final step of the urea cycle produces urea and which of the following?
A) arginine B) carbamoyl phosphate C) citrulline D) ornithine