How can a wildflower from switzerland grow wild in montana

Compare this commercial’s central theme and motivational pressures to president reagan’s “prouder, stronger, better” commercial. how are they alike and different? are they equally effective?

Sarah is stressed about her upcoming exam, so she goes to the gym to work out and feels less stressed afterwards. shianne is also stressed about her exam, but she decides to budget extra time to study and hires a tutor, which makes her feel less stressed. both sarah and shianne are engaged in adaptation. learning . appraisal. coping.

What greek scientist created a screw to move water for irrigation?