Question

1. antibodies are produced by the body to help fight infections. vaccines provide additional support by increasing the number of antibodies people have for fighting infections. the graph below shows how the number of antibodies in an individual changes after receiving a vaccine. according to the graph above, what would the dependent variable be? a. time b. initial response c. concentration of antibody d. secondary immune response

Explanation:

The dependent variable is the one that changes in response to another variable. In a graph of antibody levels over time (after vaccination), the number of antibodies (concentration) changes as time passes. The question is about identifying the dependent variable from the graph.

Answer:

C. Concentration of antibody