Answer:
Even as it changed the nature of performing, the phonograph altered how people heard music. It was the beginnings of “on demand” listening: “The music you want, whenever you want it,” as one phonograph ad boasted. Music fans could listen to a song over and over, picking out its nuances.
Answer: Stratified random sampling
Explanation:
In stratified random sampling the population of choice is partitioned into subgroups. Then the samples for study are selected randomly from the subgroups.
The given situation is the example of stratified random sampling this is because of the fact that the population is divided into subgroups on the basis of the social class and age. Then the voters were randomly selected from each subgroup.
Gerrymandering combined with ethnicity for political use is done by creating ethnic districts, it ensures the candidates election by the district. Gerrymandering is the process <span>of redrawing legislative boundaries for the purpose of benefitting the political party in power.</span>
I think the answer would be executive power.
