2.00
a rock can be broken down into different kinds of substances by physical processes. no chemical reactions are needed to
separate different parts of a rock into pure substances. this is because a rock is a
*compound
*element
*mineral
*mixture

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.

What record? the question is incomplete