Does a solution have to be a liquid mixture? Explain why or
why not.

No

Solutions can be solids dissolved in liquids. Solutions can also be gases dissolved in liquids, I.E carbonated water. You likely won't discover individuals making solid arrangements. They as a rule start off as solid/gas/fluid arrangements and afterward solidify at room temperature. alloys with a wide range of metals are genuine instances of solid arrangements at room temperature.

Explanation:

you need to stop taking that class

50.23 i believe is correct but don't quote me on that.