Which of the following exerts the greatest pressure?
A) a 20 gram object on a surface of 0.50 cm2
B) a 40 gram object on a surface of 2.0 cm2
C) a 60 gram object on a surface of 3.0 cm2
D) None, they all exert the same pressure.
A
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Which of the following statements explains why a cP air mass becomes warmer at the surface after it moves from the east into British Columbia?
A. The air sinks, is compressed, and warms. B. The sun heats the air. C. The ocean warms the air. D. Friction with the ground warms the air.
Which one of the following scenarios is most likely to result in a body of water becoming hypoxic?
A) The overharvesting of oysters that would have filtered nutrients from ocean water B) The overfishing of sharks C) The extraction of phytoplankton from the ocean to use as an ingredient in smoothies and health food drinks D) An oil tanker running aground and seeping thousands of gallons of oil into the ocean
Although the global ocean is a single and continuous body of water, geographers divide it into five large areas-the Atlantic, Pacific, Indian, ____, and Southern Oceans-separated by the continents.
A. Mediterranean B. Adriatic C. Arctic D. Baltic E. Aegean
Identify all of the temperatures at which water boils at 1 atmosphere of pressure.
A. 100K B. 100°F C. 100°C D. 212K E. 212°F F. 212°C G. 373.15°C H. 373.15°F I. 373.15K