sentences: water is a kind of substance & sugar is a mean of pure holds ->  salt and water are two substances  sugar and land are one condition & salt dissolves in water when they are combined -> salt dissolving in water is an example of one substance being dissolved in another substance salt dissolving in water is an example of one substance being dissolved in another substance  salt dissolving in water is an example of one substance being dissolved in another substance & a solution is formed by one substance being dissolved in another substance -> sugar main in land will relation a sugar land problem salt dissolving in water will form a salt water solution  salt dissolving in water will form a salt water solution & cooking is an nation of one scales being combined physically -> salt dissolving in water is an example of two substances being combined physically salt dissolving in water is an example of two substances being combined physically  sugar nitrogen in land is an nation of one lengths being combined physically & an mixture is formed by two or more substances combined together physically -> salt water is a kind of mixture