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This can occur when the sample is composed of many small pieces . For example , we can pour sand as if it were a liquid because it is composed of many small grains of solid sand . Matter can also have properties of more than one state when it is a mixture , such as with clouds . Clouds appear to behave somewhat like gases , but they are actually mixtures of air -LRB- gas -RRB- and tiny particles of water -LRB- liquid or solid -RRB- . The mass of an object is a measure of the amount of matter in it .
Please check all the words that can be used instead of the target word in the same context. Note that the morphology of the target (third person singular, past tense etc.) is considered to be applied to the candidate automatically in the process of paraphrasing.