10 points!! and brainlest to most correct and detailed answer
Read each statement, and write in the blank the word or words that best completes the statement.
16. Two or more liquids that can dissolve into each other are referred to as _________________________.

17. Tooth fillings are often made of gold or porcelain because those materials are not _________________________.

18. Ice floats in water because it is _________________________ than water.

19. Wheat ground into flour is an example of a(n) _________________________ change.