What is the approximate length of the United States border with Canada? o 2,500 miles O 4,500 miles O 5,500 miles O 3,500 miles​

Erikson's theory of personality grants more power to the than freud had allowed.

Martin, a 32-year-old human relations administrator at a university, believes that all professors over age 50 are incapable of learning the new educational technologies and are content to keep presenting their same "tired, boring" lectures. he often expresses these views to other administrators and does not encourage any of the "older" faculty members to attend professional development meetings related to new teaching approaches nor does he suggest that the university send them to any of the technology conferences. martin is exhibiting

During the late 19th century, russia's settlement and development of siberia was made possible by the invention of the