Which statements accurately describe binary star systems? check all that apply.
have more than two stars
have stars that are always visible
include large groups of stars
have stars that might appear to wobble
often have one star that is brighter than the other

1= c 2= a or d3 = idk sorry 4= c5= c

Ineed with this also i hope you understand it

It is a mixture. simply put, a compound must be pure, that is, of only one chemical structure and composition. a mixture is made of different chemical substances (i.e. elements, molecules, compounds) that are not chemically bonded to each other, but instead physically grouped together, as in the case of gasoline (a homogeneous solution).

Ibelieve it's temperature! i'm not 100% sure.