Which of the following ions has the highest concentration in seawater?

A. K+
B. Ca2+
C. Mg2+
D. Cl-
E. Na+


Answer: D

Environmental & Atmospheric Sciences

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It would be ineffective to attempt to prevent lead poisoning by ____.

A. phasing out waste incineration B. banning the use of lead pencils in schools C. banning lead glazing on ceramic ware used to serve food D. banning the use of lead solder E. phasing out leaded gasoline worldwide

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How can we use the angle between cleavage and a pre-cleavage foliation to predict large-scale fold geometry?

What will be an ideal response?

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The primary purpose of a radiosonde is:

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Environmental & Atmospheric Sciences