Which statement best expresses the author's main purpose in Citizenship?

Using both text and entertaining graphics, the author informs readers about the importance of responsible citizenship and encourages readers to be good citizens.
Using both text and informative graphics, the author analyzes how our views of citizenship have developed over time, as more people have begun to participate in community events.
Using both text and eye-catching graphics, the author entertains readers with funny examples of citizenship and shows readers that a sense of humor is important in shaping our country.
Using both text and fun graphics, the author persuades readers that, while citizenship is extremely difficult, it is their duty as citizens to participate.

Ascientist studied a population of workers to determine whether verbal praise and/or tangible rewards affect employee productivity. in the study, some workers were offered verbal praise, some were offered tangible rewards (gift cards, presents, and some were offered neither. the productivity of each participant was measured throughout the study by recording the number of daily tasks completed by each employee. which inference might the scientists make based on the given information? a.) the number of daily tasks completed by each employee may influence the dependent variable, which is whether the employee receives verbal praise, tangible rewards, or neither. b.) verbal praise and/or tangible rewards may influence the independent variable, which is the number of daily tasks completed by each employee. c.) verbal praise and/or tangible rewards may influence the dependent variable, which is the number of daily tasks completed by each employee. d.) the dependent variables, which are verbal praise and tangible rewards, may influence the number of daily tasks completed by each employee.