Ateaspoon a sugar is added to a glass of tea which is then stirred until no more crystals can be seen. another teaspoon is added and stirring is continued until no more crystals can be seen. after the first teaspoon of sugar is added, the solution is
saturated
unsaturated
polar
nonpolar

Option (b) is the correct answer.

Explanation:

When small amount of solute is added to a solvent and if it readily dissolves then this type of solution is known as an unsaturated solution.

For example, teaspoon of a sugar is added to a glass of tea which is then stirred until no more crystals can be seen. So, this solution is unsaturated.

On the other hand, a saturated solution is defined as a solution which contains maximum amount of solute.  

Thus, we can conclude that after the first teaspoon of sugar is added, the solution is unsaturated.

The correct answer is A. "El Nino"