* Mixture: A combination of two or more substances where each substance retains its own properties. The components can be separated by physical means.

* Compound: A substance formed when two or more elements chemically combine in a fixed ratio. The resulting compound has properties different from the original elements.

In the case of sugar and tea:

* Sugar and tea retain their individual properties. You can still taste the sweetness of the sugar and the flavor of the tea.

* They are easily separated. The sugar can be filtered out of the tea using a strainer.

Therefore, sugar and tea create a mixture when combined.