Answer:
Mao set the scene for Cultural Revolution by "disinfecting" powerful officials of questionable loyalty who were based in Beijing. His approach was less than transparent, achieving this purge through newspaper articles, internal meetings, and employing the network of political allies.
The answer is d. The population of light-colored moths decreased and the population of dark-colored moths increased.
<span>Peppered moth color variation is a good example of natural selection. During the Industrial revolution, due to pollution, trees become darker in the urban area. Light-colored moths were, thus, easy prey. The dark-colored moths were able to camouflage on dark trees and avoid predators. The phenomenon is known as industrial melanism. So, in polluted urban areas, the number of dark-colored peppered moths increased. In the clean environment, were much effective in hiding from predators and they outnumbered the dark-colored moths.</span>
Education in ancient<span> Rome progressed from an informal, familial system of education in the early Republic to a tuition-based system during the </span>late<span>Republic and the Empire. The Roman education system was based on the Greek system – and many of the private tutors in the Roman system were Greek slaves or freedmen.</span>
