The author communicate that a liquid is similar to a gas due to its indefinite shape.
Gas and liquid are similar in one property which is that gas and a liquid is able to flow and take the shape of a container due to indefinite shape but both are different from one another due to the presence of definite volume of liquid which is not the property of a gas so we can conclude that indefinite shape is the property of both liquid and gas.
Learn more about volume here: https://brainly.com/question/9554871
