Where is most of the mass of the solar system today?
a.
in the sun
b.
in the various moons
c.
in earth and the other planets
d.
in the asteroid belt

disorders of the brain include both behavior disorders and other psychiatric illnesses. the primary difference between a behavior disorder and another type of psychiatric disorder is the presence of choice. psychiatric conditions are considered to be involuntary while in behavior disorders, choices are essential.

answer; (true);