This statement is true. Gases do not have a definite volume because they completely fill the shape of their container. Unlike solids and liquids, which have a fixed volume and shape, gases are far less dense and their particles are much more spread out. This means that when a gas is placed in a container, it expands to occupy all the available space. This expanding behavior occurs because the particles in a gas move freely and rapidly, leading them to spread out as much as possible. Therefore, we can conclude that gases do indeed lack a definite volume, adapting instead to the volume of the container they are in.
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