Which sentence contains an introductory clause? a. my mom and i, along with some neighbors, gazed at the star-studded show. b. with one final streak of light, the last of the shooting stars disappeared. c. as the shower continued to escalate, dozens of meteors arched across the sky. d. the meteors illuminated the darkness and lit up the nighttime sky.

Examine an advertising campaign created by the center for disease control that promotes the influenza (flu) vaccination. analyze the campaign to discover the target audience and the advertising techniques used. then, evaluate the effectiveness of these advertising techniques. write a five-paragraph essay in which you explain how the advertising campaign effectively promotes the influenza vaccination to a range of audiences.