Which statements identify what astronomers currently know and think will happen with our universe? Check all that apply.

Usha is giving a presentation on the cardiovascular system. one of her slides shows a diagram of the blood moving from the heart to the arms and legs. which type of circulation is the slide illustrating? systemic circulation pulmonary circulation systolic circulation diastolic circulation

William poole believes economics should be taught in schools because students will learn

Astudent is revising the sentence below: i know brendan was upset, but i feel he overreacted. you would have thought he'd just lost his best friend, the way he would bemoan his fate. based on the context of this sentence, which is the best synonym for bemoan? a. complain: express dissatisfaction or annoyance b. grieve: cause distress to someone c. nag: annoy with persistent fault-finding d. provoke: stimulate or incite