What ion was used as a tracer in the Cape Cod experiment?

A) chloride
B) bromide
C) dioxide
D) sulfide


Answer: B

Environmental & Atmospheric Sciences

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Most ocean surface currents are due to

A) melting polar glaciers. B) river flow into the ocean. C) global winds. D) local winds.

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If sediment is from natural sources, why is it considered a water pollutant?

A) it is an out-of-place resource B) it is toxic at its source, so it is also toxic in the water C) it is usually laden with mercury D) it is only a pollutant if it contains agricultural chemicals

Environmental & Atmospheric Sciences

Which of the following is NOT a major global trade flow?

A) services B) microelectronics C) automobiles D) steel E) oil

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The eye wall of a hurricane:

A) has the highest barometric pressure. B) has the lightest precipitation. C) has the greatest wind speeds. D) lies at the hurricane's outer edge.

Environmental & Atmospheric Sciences