After what grade does intervention and therapy become more costly and less effective for children with challenging behavior

The purity of ecstasy is always in question, why? (short answer)

The load is the pivot point of a lever.

Which of these is the best example of sexual objectification? a) a female initiates a conversation with another female. b) a male proposes marriage to a female. c) a female makes repated coments to a male about his appearence. d) a female proposes marriage to a male.