4. SCIENCE QUESTION Which of these choices best describes what a ratio shows?
in
A. a comparison between two quantities
B. family relationships over several generations
C. the alleles of parents and offspring for a
given trait
D. the likelihood or chance that something will
happen

if im not mistaken its a. collective emotional arousal

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.

there are indirect ways of affecting state laws   by with holding funding's. and that's why we have a 55mph speed on the high way with a design of 70mph speed.

answer; oxygen to the brain;