Mizar is a quadruple or quaternary star system.
When there is more than two stars, it is called a star system or multiple star system or stellar system.
Depending on the number of stars, they are also called a triple, quadruple or quintuple star system or trinary, ternary, quaternary, quintenary, sextuple, sextenary, septuple or septenary star system.
Velocity is speed and Direction. It does not include direction
The answer is TRUE chemical changes do involve breaking and the making of chemical bonds.
