Why does water expand when it freezes

Because when water is a solid the molecules are packed together,making it dense, but it expands because of how cold it is, almost in the same way like heat

Because the molecules are moving slower as it freezes

The answer is letter c

Non metal is an element or substance that is not a metal metal is a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivitymetalloid is an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. they are electrical semiconductors.