A researcher who reads the study on cell phone use by Cramer et. al., decides to conduct a study to find ways to reduce cell phone use while driving. Which of the following sources of idea is best illustrated in this scenario?

a. Past research
b. Observation of the world
c. Common sense
d. Myth

Ineed your asap, it due select the items that were included in the terms of the 1848 treaty of guadalupe-hidalgo (which ended the mexican-american war). question 6 options: the united states gains the new states of missouri, nebraska, kansas, and iowa. the united states paid mexico $15 million dollars for land obtained as a result of the end of the war the united states demanded a permanent military presence in mexico. the united states gains territory in present-day california, new mexico, arizona, utah, nevada, and parts of colorado and wyoming.