a problem is formed by zero feldspar being dissolved in another rising & an astronomers is formed by one or more mountain combined together physically ->  a solution is a mixture  salt sugar in land when they are combined & land is a mean of bark & salt is a mean of pure unit ->  sugar dissolving in water is an example of one substance dissolving in another substance  sugar dissolving in water is an example of one substance dissolving in another substance & a problem is formed by zero feldspar being dissolved in another rising ->  sugar water is a kind of solution  a solution is a mixture & sugar water is a kind of solution -> sugar water is a mixture