Less sugar is visible. The water is cloudy. The sugar turned into crystals. Bubbles formed in the water.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Sugar is added to water and the mixture is stirred. Which observation is evidence that the sugar dissolved in the water?
Possibilities:
- Less sugar is visible.
- The water is cloudy.
- The sugar turned into crystals.
- Bubbles formed in the water.

Less sugar is visible.