<span>A.He thought science should develop practical technologies that would improve people’s lives.
correct me if im wrong</span>
C. Horancr Mann
i hoped this helped you!
The leader makes decisions and the speaker speaks to the public for the party
The challenges humans faced is the climate weather and temperature. Which means they had to learn to adapt and have survival skills. Because of these factors, they have the issues of finding a settlement and growing crops and domesticating the animals. Technically, the transition between the Paleolithic and Neolithic is the turning point for the nomads. Where people began to have a settlements, easier growing foods besides hunting and gathering, have their own domestic animals to help them do the fields and etc. Which domesticating an animal led to selective breeding.