Which of the following best describes why estuaries are important resources? A. They prevent weathering of rock from slopes and cliffs. B. They are among the most productive types of ecosystems.
C. They are the world's richest sources of precious metals.
D. They help stabilize the global climate.

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a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.