In a course on mass media history, the professor shows the film “empire of the air: the men who made radio,” which describes the entire development of radio to three men: david sarnoff, lee deforest, and edwin armstrong, ignoring the contributions of women and minorities to the development of the medium. this is an example of what?

how do you know that

explanation:

the earthquake in haiti was a magnitude of 7.0 according to the u.s geological survey yet the smaller earthquake in haiti killed more than 200,000 and left more than 1.2 million people homeless. the chile earthquake was a magnitude of 8.8 and 500 times more stronger but chile's earthquake only injured 712 people.