How did international trade affect the growth of empires from ca. 1750 to ca. 1900?

Which is a type of tectonic plate boundary?

Two technicians are discussing oil changes. technician a says that waste oil and old filters need to be disposed of according to the law. technician b says that old filters can be returned to the parts department for a core value. which technician is correct?           a. technician a only   b. both technicians a and b   c. technician b only   d. neither technician a nor b

  usually, loads of more than pounds require the assistance of a second person.           a. 40   b. 20   c. 50   d. 30