Solution 1 has a solute concentration of 10 mOsm.Solution 2 has a solute concentration of 3 mOsm.Solution 3 has a solute concentration of 25 mOsm.Solution 4 has a solute concentration of 10 mOsm.Which of the solutions are isotonic?
A) solution 1 and solution 4 B) solution 2 and solution 4 C) solution 1 and solution 3 D) solution 3 and solution 4