Scientists dug through three layers of rock and found many rabbit fossils. The fossils were complete enough to determine the length of the rabbits' hind feet. Consider the data in
the table.

Nephrons, the functional unit of kidneys, are responsible for formation of urine. the sentences describe situations that are the result of problems in the urine formation process. for the nephron shown below, match each situation to the step in the urine formation process where the problem lies.