Question

d. before the salt water was put on the slide, the cell was in a select environment. e. after the salt water was put on the slide, the cell was in a select environment.

Explanation:

In a normal, undisturbed state, a cell is in an isotonic environment where there is no net movement of water in or out of the cell. When salt - water is added, the environment becomes hypertonic as the salt concentration outside the cell is higher than inside, causing water to move out of the cell.

Answer:

D. isotonic
E. hypertonic