Which choice best describes the impact of Jonas Salk work with poliomyelitis

2. which of the following topics would be too broad for a speech lasting 5 to 10 minutes?

They always say that juvenile delinquency is a problem. a.)them b.)everyone c.)a noun

Read this passage.my career in journalism has taught me the challenges of capturing sporting events, yet gregor powell's descriptions are flawless. powell is a gold-medal paralympic swimmer, but his memoir proves that his true strength is the power of his insights.what feature distinguishes this passage as a foreword?