How did the plantation system effect the economy in the southern colonies?

Should the u.s limit the number of terms a lawmaker serves in the u.s congress 5 paragraph response argumentative

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

Pre-tesi active how does the contractile vacuole in a single-celled organism function to maintain homeostasis?