Question

which phase of matter flows easily and particles can move past one another? liquid solid gas

Explanation:

Liquids and gases have particles that can move past one another and flow. Liquids have a definite volume and take the shape of their container, flowing easily. Gases also flow easily and fill their container completely. Both meet the criteria, but liquids are often the first - thought for flowing easily in common scenarios.

Answer:

Liquid, Gas