Why is rapid population growth often a problem? ?

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

Which of these cities would be found in the most densely populated area on northern section of the map? a) beijing b) seoul c) shanghai d) tokyo

The economic crash that began in 1929 was called the great recession, great depression, great slump, great revolution