How are solids and liquids alike? They both take the shape of their containers.
They both have fixed volumes.
They both have fixed shapes.

They both have fixed volumes!

Explanation:

Solids are non-compressible and have constant volume and constant shape.

Liquids are non-compressible and have constant volume but can change shape. A liquid’s shape is dictated by the shape of the container it is in.

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