Which statement describes a logical inference that can be made from the provided information

The vaccine in a flu shot contains weakened flu viruses. how does a flu shot work with the immune system? a. it destroys lymphocytes. b. it destroys macrophages. c. it activates macrophages. d. it activates lymphocytes.

What materials must dams have to produce electricity, and what must occur?

What are levels of ecology and how can we remember them