Liquids and gases are fluids which can flow and change shape to fit their containers.
Answer: Option D
Step-by-step explanation:
Fluid is a state of matter and it includes liquids and gases. Fluids possess no definite shape and they change their shape to exactly fit into the container. Also the inter molecular force of attraction between molecules in liquids and gases are weak. The molecules moves freely inside the container and fits into shape of container.