Two substances are combined but stay unbonded and no reaction happens between them. What has been made?

1. Sand stirred into water is a good picture of what is happening here. 2. A mixture is a combination of two or more substances that are not bonded to each other, with no chemical reaction between them. 3. In a compound the elements are joined in a fixed ratio, which is not the case here. _Source: Siyavula Physical Sciences Grade 10 (Everything Science, CC BY 4.0), Chapter 2: Classification of matter_