Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.

[Q]: Question: What is a solid particle that is indestructible? Answer: atom
[A]: Atoms are solid particles that are indestructible.

[Q]: Question: Solids and liquids are phases of matter that have their own unique what? Answer: properties
[A]: Solids and liquids are phases that have their own unique properties.

[Q]: Question: Mixtures that have the same composition throughout are known as what kinds of mixtures? Answer: homogeneous
[A]:
Some mixtures are homogeneous. This means they have the same composition throughout. An example is salt water in the ocean. Ocean water everywhere is about 3.5 percent salt.