During early childhood, . a. boys retain somewhat more body fat than girls b. brain growth tapers off, whereas body growth increases rapidly c. body proportions become similar to those of adults d. girls become slightly more muscular than boys 2 attempts remaining

i'm pretty sure it's spores

b.have there own function.

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.