During a recent winter immunization campaign, the Centers for Disease Control and Prevention used the media to encourage all Americans to be vaccinated against the seasonal flu virus. This is an example of a , in which the media donated free space and airtime.

public service announcement                                                                                          

Explanation:

The term public service announcement is described as a particular message in the "public interest" that is being disseminated in the absence of any charge, encompassing the objective or motive of spreading awareness of, and changing or altering public behaviors and attitudes towards a specific social issue or cause.

As per the question, the correct answer is the public service announcement.

no , per capita income is not a true measure of the development because: -it only tells us about average income not how income is distributed among the people.it only give us an idea of the economic aspect.it is only at the qualitative basis.moreover, income is not only the way of development other factors are also as much as important as income.

the following men who did not in the unification of italy were.

a) giuseppe mazzini

c) alexander ll

the other two men were camilo cavour and giuseppe garibaldi they the unification of italy by yielding territories in the italian unification. in 1861 italy was declared a united-nation state under the sardinian king victor immanuel ll.