Decide whether each group of words is an independent clause, a dependent clause, or not a clause

How can behavioral science be applied in improving public health? a.by tracking a disease to determine its sourceb.by creating promotions that improve health habitscboth by tracking a disease to determine its source and by creating promotions that improve health habitsd.neither by tracking a disease to determine its source or by creating promotions that improve health habits

Which piece of evidence best supports schlossers claim that meatpacking is most dangerous job in the united states

In this excerpt, romeo’s reaction to light illustrates his tiring work schedule. budding romance. gloomy mood. religious faith.