High point question!
this diagram shows the height, average leaf surface area and flower presence of four plant species.
which of these plants most likely contains vascular tissue?
a. plant a
b. plant b
c. plant c
d. plant d

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.