Is a Salt Water a substance or homogeneous and heterogeneous mixture

Liquid water turns into water vapor at which step in the water cycle

And give a detailed description! scientist observes the boundary between two tectonic plates for a decade and finds that no new volcanoes have formed over the course of her investigation. does this result support the theory of plate tectonics? why or why not?

Anton created a chart listing different types of materials. which best complete the chart?