2. Give a brief description of a Quagga mussel Physical characteristics
Life cycle and reproduction
Where did originate?
When did they establish a population in Utah?

I need the descriptions of this

the statements that apply here about binary star system are

"have stars that might appear to wobble"

"often have one star that is brighter than other"

a binary star is a star system consisting of two stars revolving around their common barycenter. systems of two or more stars are called multiple star systems.