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Question
Which of the following statements concerning sodium and potassium is/are CORRECT?1/ The sodium concentration in seawater is over three times greater than the concentration of potassium.
2/ Plants contain roughly four to six times more sodium than potassium.
3/ Roman soldiers were paid in sodium chloride.
A.1 only
B.2 only
C.3 only
D.1 and 3
E.1, 2, and 3
Answer
This answer is hidden. It contains 2 characters.
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