The salt level in a nephron is particularly high in comparison to the surrounding environment. In this situation, which of the following events will most likely occur?
A. The salts will move into the descending loop.
B. The sodium ions will move from areas of high concentration to areas of low concentration.
C. Other dissolved substances will move into the nephron.
D. The fluid in the nephron will move into the surrounding environment.
Answer: B
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