Movements in tectonic plates caused a valley that stretches from East Africa to the Red Sea. What is the name of this valley? a. The Congo River Valley c. The Great Plateau Valley b. The Great Rift Valley d. The Nile River Valley

Which situation is the best example of regulation in an economic system? a retail business just opened a new store in a community close to its original location. a small clothing shop slashed it prices to attract customers from a larger department store nearby. a farmers’ market has offered a special deal to customers from a nearby yoga school. a state agency has been created to monitor the production and distribution of sports drinks.