Question

immunization is an artificial way of causing active immunity but what is an example of active immunity happening naturally?
a getting a disease and recovering.
b a fetus receiving mothers blood.
c dying from a disease.

Explanation:

Active immunity occurs when the immune system produces antibodies in response to an antigen. When a person gets a disease and recovers, their immune system has actively responded to the pathogen by making antibodies and memory cells. A fetus receiving mother's blood is an example of passive immunity. Dying from a disease is not an example of active immunity.

Answer:

A. Getting a disease and recovering