A mixture is a material made up of two or more different substances that are physically combined but not chemically bonded together. Among the options provided, the following can be described as a mixture:
- Smoothie: A smoothie is a mixture of various ingredients (such as fruits, vegetables, yogurt, etc.) combined together.
The other substances listed (Silver and Baking Soda) are pure substances and would not be classified as mixtures. Flour is a bit tricky; while it is typically considered a pure substance in culinary contexts, it can contain small amounts of impurities or additives, so it can sometimes be thought of as a mixture in certain contexts (e.g., when considering all components). However, generally speaking, flour is seen as a more homogeneous substance compared to a smoothie.
To summarize, the clear answer provided in your list is Smoothie as the most recognizable mixture.