A dietitian includes one of the following mixtures in the lunch menu. Classify each as homogeneous or heterogeneous.

vegetable salad
sparkling water
Tea with ice and a lemon slice
a bowl of oatmeal

vegetable salad: heterogeneous

sparkling water: homogeneous
Tea with ice and a lemon slice: heterogeneous
a bowl of oatmeal: homogeneous

The classifications are as follows:

1. Vegetable salad: Homogeneous - A vegetable salad is typically mixed thoroughly, resulting in a homogeneous mixture.

2. Sparkling water: Homogeneous - Sparkling water is a clear, uniform liquid mixture.

3. Tea with ice and a lemon slice: Heterogeneous - Tea with ice and a lemon slice contains different components that can be easily distinguished, making it a heterogeneous mixture.

4. Bowl of oatmeal: Homogeneous - Oatmeal is typically mixed together and appears as a uniform mixture.