Two of the main characteristics of systems are that they can be closed or open. Closed systems do not need to interact with parts of their environment in order to exist, while open systems 1. cautiously Interact
2. must interact
3.alternately interact
4.may choose to interact​

Issues involveing police searches are adressed in the amendment to the constitution a.sixth b.fourth.c.eighth d.fifth

Which of the following is not a potential distraction that could negatively impact your fitness to drive? a. passengers b. technology c. emotions d. traffic lights

Adefendant charged with driving while intoxicated pleaded not guilty and insisted on a trial. right before the trial began, he fired his attorney and decided to defend himself. at one point during opening arguments, the defendant began to act like a cat, meowing and chasing an imaginary squirrel out of the courtroom. if no one else raises the issue of the defendant's competency to stand trial, what is the responsibility of the trial judge here? a) the trial judge has no responsibility, because the defendant decided to defend himself. b) the trial judge has no responsibility, because she cannot decide whether the defendant is competent to stand trial. c) the trial judge must raise the issue of competency, because the defendant is representinghimself.d) the trial judge must raise the issue of competency, because the constitution obligates her to do.