The predominant modern-day method in determining the depth and nature of the seafloor uses ________.

A. optics
B. sound
C. diving
D. heat
E. pressure


Answer: B

Environmental & Atmospheric Sciences

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Freezing rain is likely to occur in this sequence when a warm front passes

A. snow, sleet, freezing rain, rain. B. freezing rain, snow, rain, sleet. C. snow, freezing rain, rain, sleet. D. rain, freezing rain, sleet, snow.

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Why are upwelling zones generally more productive than coastal oceans?

What will be an ideal response?

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Malaria, schistosomiasis, and filariasis are most common in

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