Which of the following statements about thermohaline circulation is FALSE? a. A

Question

Which of the following statements about thermohaline circulation is FALSE? a. A complete circuit beginning with downwelling in the near Greenland and ending with upwelling in the southern Indian Ocean may take 1000 years. b. Global warming could potentially disrupt thermohaline circulation. c. Thermohaline circulation is driven by climate. d. Thermohaline circulation is driven by temperature and salinity gradients. Choose the statement below that correctly describes the control on air density: a. Warm air more dense than cold air. b. Air density increases with altitude. c. Cold air is more dense than warm air. d. The Intertropical Convergence Zone is characterized by dense, descending air. Which of the following is NOT an example of multiyear oscillation in the global circulation? a. El Nino-Southern Oscillation b. North Atlantic Oscillation c. Pacific Decadal Oscillation d. Subtropical Multidecadal Oscillation. Which of the following statements is TRUE about air pressure? a. Areas of low pressure result in descending, diverging air flows. b. Areas of high pressure result in ascending, converging air flows. c. An anemometer is an instrument that measures air pressure. d. A pressure gradient fore drives air from areas of higher barometric pressure to areas of lower barometric pressure.

Explanation / Answer

ANSWER:

1) Global warming could potentially disrupt thermohaline circulation

2) Air density increases with altitude correctly describes the control on air density

3) subtropical multidecadal oscillations is NOT an example of multiyear oscillation in the global circulation

4) A pressure gradient fore drives air from areas of higher barometric pressure to areas of lower barometric pressure

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